God’s Faithfulness
In God’s Faithfulness, part of the series Six Things About God That Don’t Change, Pastor Doug Scalise explores how God remains steadfast even when people are not. In Malachi 2:10-16, the prophet confronts Israel’s unfaithfulness in relationships and worship, revealing how betrayal breaks covenant and wounds community. Yet through this message, we see that God’s faithfulness is stronger than our failures—He calls us to reflect His loyal love in our marriages, friendships, and commitments. This sermon invites us to guard our hearts, live with integrity, and mirror the unchanging faithfulness of God in every part of life.
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God’s Faithfulness
Millions of people enjoy visiting our National Parks every year. One of the most popular sites at one of the most visited parks is “Old Faithful” – a famous geyser in Wyoming’s Yellowstone National Park. It got its name, in 1870, because it reliably erupts at consistent and predictable intervals. It’s faithful; it does what it’s supposed to do – so people know when to expect the geyser to erupt.
A famous Latin motto, adopted by the United States Marine Corps, “Semper Fidelis”, means “Always faithful”. “Semper Fi” expresses the mutual commitment to always be faithful to one’s comrades, the Corps, and country. Faithfulness, showing true and constant support and loyalty, is a part of a US Marine’s identity.
When I officiate at a wedding, the couple vows to be faithful to one another as long as they both shall live. Keeping our promises, being faithful to our vows and principles, whether we’re together or apart, is a key ingredient in a happy and secure marriage, and indeed in any relationship.
In today’s passage from Malachi, we learn that rather than being faithful, people have been faithless, and that leads to all kinds of heartache and trouble. Five times in this short passage, we hear the word faithless.
Malachi uses it like a bell tolling over a grieving city: “You have been faithless… Judah has been faithless… Do not be faithless.” It’s a strong word. It hurts us to hear it because it touches tender places in our lives — promises broken, trust betrayed, hearts that once loved deeply but grew distant or hardened.
Some of you carry scars from divorce. Others carry guilt or regret. Some have been faithful when someone else was not. So, before we even hear or open the text, I want you to hear this: this passage is not meant to shame you. It’s meant to show you the heart of a God who is utterly faithful — a God who hates faithlessness because the Lord knows how much it hurts the people God loves.
The good news is that God’s faithfulness is greater than our heartaches and failures. The reason the Lord confronts unfaithfulness is because God longs to heal it.
Listen to Malachi 2:10-16.
“Have we not all one father? Has not one God created us? Why then are we faithless to one another, profaning the covenant of our ancestors? Judah has been faithless, and abomination has been committed in Israel and in Jerusalem; for Judah has profaned the sanctuary of the Lord, which he loves, and has married the daughter of a foreign god. May the Lord cut off from the tents of Jacob anyone who does this—any to witness or answer, or to bring an offering to the Lord of hosts. And this you do as well: You cover the Lord’s altar with tears, with weeping and groaning because he no longer regards the offering or accepts it with favor at your hand. You ask, “Why does he not?” Because the Lord was a witness between you and the wife of your youth, to whom you have been faithless, though she is your companion and your wife by covenant. Did not one God make her? Both flesh and spirit are his. And what does the one God desire? Godly offspring. So look to yourselves, and do not let anyone be faithless to the wife of his youth. For I hate divorce, says the Lord, the God of Israel, and covering one’s garment with violence, says the Lord of hosts. So take heed to yourselves and do not be faithless.”
Today, I’m going to share about the importance of faithfulness. I’m going to talk about the faithfulness of God, the negative consequences of being faithless, and the positive impact of being faithful. The prophet says being faithless harms our relationship with God, with one another, and with the larger community. Being faithful helps our relationship with God, with one another, and with the larger community.
Let’s begin with a definition.
Faithfulness is “having or showing true and constant support or loyalty; deserving trust: keeping your promises or doing what you are supposed to do.”
One of the characteristics of God that doesn’t change is God’s faithfulness. Psalm 57:3 says,
“He will send from heaven and save me, he will put to shame those who trample on me. God will send forth his steadfast love and his faithfulness.”
God shows us what faithfulness is like. God’s faithfulness is the foundation for our faithfulness. God’s steadfast love and faithfulness don’t change. God refuses to abandon people, despite their failures. Notice that Malachi’s concern begins not with human marriage, but with God’s covenant, “Have we not all one Father?” (v.10). This is our anchor as 2 Timothy 2:13 declares,
“God is faithful even when we are faithless.”
God’s concern for people comes from love, not condemnation.
Jesus says God
“makes his sun rise on the evil and on the good, and sends rain on the righteous and on the unrighteous” (Matthew 5:45).
Paul says, in Romans 1:20,
“Ever since the creation of the world his eternal power and divine nature, invisible though they are, have been understood and seen through the things he has made.”
God has been faithful to us in giving us life and sustaining us each day. We’re motivated to be faithful, and able to be faithful, because God is faithful.
Faithfulness is something we all long for in our relationships, but sadly, in Malachi, God reprimands the people for being faithless to God and their spouses. The prophet says being faithless harms our relationship with God, with one another, and with the larger community.
The word faithless is mentioned five times highlighting the pain of relational betrayal — both spiritual (turning from God) and marital (divorcing covenant partners). Israelite men were divorcing their wives, marrying foreign women, and worshiping their gods. Malachi was addressing a pattern of covenant-breaking in the community, not condemning every divorced person.
Divorce brings pain and heartache to all who are touched by it, no matter the cause and regardless of how hard an individual may strive to treat a spouse with respect, grace, and mercy. The heart of the issue is disregarding covenant faithfulness.
Malachi is not dismissing those who have suffered broken marriages through no fault of their own — he’s calling out hard-heartedness and betrayal. Some here have walked through divorce — some by your choice, others by someone else’s. The aim today is not condemnation but redemption.
God is faithful and invites us to faithfulness because few things in life are as painful or heartbreaking as unfaithfulness or betrayal in a relationship.When someone is unfaithful in a marriage, in a family, in a friendship, as an employer or employee, as a citizen of a country, it’s painful, and the damage can be widespread and long lasting.
It’s devastating for any relationship when a person fails to honor his or her commitments. It takes repentance, a determination to change, forgiveness, and grace, to overcome unfaithfulness in a relationship, but it can be done if both parties are willing to do the challenging work to repair the relationship. However, unfaithfulness can be so painful that trust, respect, and intimacy can’t be repaired or rebuilt. That’s why remembering Proverbs 3:3-4 is important.
“Do not let loyalty and faithfulness forsake you; bind them around your neck, write them on the tablet of your heart. So you will find favor and good repute in the sight of God and of people.”
In Proverbs, the word faithfulness is always linked with loyalty. Loyalty and faithfulness lead to favor and a good reputation before God and people. Being faithless comes with a painful cost that we want to avoid, including a poor reputation before God and people. I know that for some, this passage may stir sorrow or shame. My prayer is that you hear the voice of a faithful God who loves you and invites you into God’s restoring grace.
For those who have been unfaithful, there are ways to seek redemption. You can apologize to those you’ve hurt. You can change your choices and behavior, and you can ask God for forgiveness.
When a couple speaks to me because their marriage hasn’t worked out, if they have children, we talk about how they’re bound to each other for life because of their kids, so it’s important for everyone to work hard to maintain a good relationship with each other for the sake of their children and extended family. This includes not speaking in a derogatory manner about your former spouse.
Even when things don’t work out the way people hope, through God’s love and faithfulness there can be healing in diverse ways.
God’s opposition to faithlessness in relationships flows from God’s love of faithfulness, not a desire to punish people. God is grieved not simply by broken vows, but by broken trust and broken hearts. God’s commands are not to shame us, but to protect the beauty of love that reflects God’s own covenant love.
Malachi relates the faithfulness of marriage to the faithfulness of God’s covenant love.When I say at a marriage ceremony “what God has joined together let no one separate”, it’s a reflection of God’s unbreakable bond of love and faithfulness with God’s people.
The good news is being faithful helps our relationship with God, with one another, and with the larger community. Few things give us a greater sense of security in relationships, and in life, than faithfulness.
Whether it’s a spouse, a parent and child, or a friend, faithfulness gives us a sense of security and comfort during life’s challenges and uncertainties. Faithfulness is like an anchor that helps hold us fast and not be shipwrecked in the storms of life.
We all long for faithfulness in relationships. Faithfulness gives us a sense of trust and confidence. Faithfulness gives a relationship the belief that we can count on a person to be true and to be there for us, and that others can count on us to be true, faithful, and there for them.
There are some things we all can do to ensure our faithfulness to another person and to strengthen our sense of loyalty and commitment. All of us can keep these things in mind in all our relationships.
- If you’re married, make decisions together, especially ones concerning finances and children, so each person feels considered, valued, and works together toward your family goals, values, and dreams.
- Resolve issues privately, and try to do so with as much love and respect as possible.
- Speak highly of others. Don’t say anything that will tarnish the other person’s reputation.
- Speak positively of each other, and when you must speak hard truths, always do so in and with love and with concern for the other person’s well-being, growth, and development, as well as your own.
- Defend each other.
- Work through any issues or fears that affect your commitment and faithfulness.
- Strive, with God’s help, to be a person who is known for your faithfulness, loyalty, and commitment.
If faithfulness is to be part of our character, we need to learn to be faithful in all things, big and small. Jesus says, in Luke 16:10, about how we handle money,
“Whoever can be trusted with very little can also be trusted with much, and whoever is dishonest with very little will also be dishonest with much.”
We’re to prove our trustworthiness in how we earn and manage money to how we handle spiritual truth. Frequently, the news reveals the most recent powerful or famous people who have been unfaithful in key areas of their character, relationships, and responsibilities.
People who lie and cheat about insignificant things are likely to lie and cheat about bigger things, including cheating on their spouse, or in their business or responsibilities. Jesus goes on to say, in Luke 16:11,
“So if you have not been trustworthy in handling worldly wealth, who will trust you with true riches?”
God judges our character by how faithfully we manage everything in life – our money, our time, our relationships, our marriage, our work, you name it. God’s call, in Malachi 2:16,
“So guard yourselves in your spirit, and do not be faithless,”
isn’t condemnation, but an invitation to renewal.
Faithfulness includes perseverance. Perseverance is a key to success in everything, including being faithful in our relationships. 1 Corinthians 13 reminds us that love always protects, always hopes, and always perseveres.
When Paul wrote his second letter to Timothy, he was in prison – but he was at peace because he knew he’d been faithful to God.Paul wrote,
“I have fought the good fight, I have finished the race, I have kept the faith.”
May we have the same confidence at the end of our race because the final goal of faithfulness and perseverance is eternal life. In Matthew 24, Jesus is talking about the “end of the age” (verse 3). In verses 9 through 12, he speaks of tribulation and persecution. Then, in verse 13, Jesus says,
“But the one who endures to the end shall be saved.”
In Revelation 2:10, the Risen Christ says,
“Be faithful until death, and I will give you the crown of life.”
We can be thankful that Jesus bore the consequences of our unfaithfulness on the cross. Faithfulness isn’t keeping rules — it’s mirroring the heart of a God who never walks away. In the Old Testament, Yahweh is described as Israel’s husband. One of the images of Christ, in the New Testament, is that he is the bridegroom.
He’s described that way by John the Baptist (John 3:28–30). Jesus refers to himself that way (Mark 2:19-20). In Ephesians 5:25–27, 31–32, the Apostle Paul draws a direct analogy: Christ is the bridegroom, the Church is his bride. In Revelation 19:6-9, we hear,
“For the marriage of the Lamb has come, and his Bride has made herself ready…”
Jesus, the Lamb, is the bridegroom at the final consummation of redemptive history. In Christ, there is forgiveness for the faithless, healing for the betrayed, and renewed hope for the broken. God can redeem what has been lost, restore trust, and create new stories of faithfulness.
Wherever you are in your story — married, divorced, widowed, or single — God’s call is the same: come back to covenant faithfulness. Because God’s mercy is new every morning, and God’s faithfulness never ends.
In our lives, faithfulness is a fruit of the Spirit, and it holds the others together. In Matthew 25:14-30, Jesus tells the parable of the talents (a “talent” was a measure of money). The parable portrays Christ rewarding His faithful followers — those who love and serve God and live accordingly. To the profitable servants, the master said,
“Well done, good and faithful servant; you have been faithful over a few things, I will make you ruler over many things. Enter into the joy of your lord” (Matthew 25:21, 23).
Faithfulness is the key that opens the door to the joy of the Lord.
Blessing: Hebrews 12:1-3,
“Therefore, since we are surrounded by so great a cloud of witnesses, let us also lay aside every weight and the sin that clings so closely, and let us run with perseverance the race that is set before us, looking to Jesus the pioneer and perfecter of our faith, who for the sake of the joy that was set before him endured the cross, disregarding its shame, and has taken his seat at the right hand of the throne of God. Consider him who endured such hostility against himself from sinners, so that you may not grow weary or lose heart.”
Questions for Discussion and Reflection
- How have you personally experienced God’s faithfulness in a difficult season of your life? What difference does remembering God’s covenant love make in how you relate to others?
- Malachi uses the word faithless five times. What do you think it means in this passage — and how might “faithlessness” show up in relationships today (beyond marriage)?
- Malachi teaches that broken promises wound the whole community. How have you seen this reality — in families, friendships, or even in church?
- Why do you think God cares so deeply about faithfulness in marriage? How can married couples, divorced individuals, and singles all reflect God’s covenant love in their own contexts?
- What does it mean to you that Jesus, the faithful Bridegroom, took the consequences of our faithlessness? How does this truth bring freedom instead of shame?
- God says, “Guard yourselves in your spirit.” What are some practical ways we can guard our hearts from drifting into unfaithfulness — emotionally, spiritually, or relationally?
- How might a community known for faithfulness — in marriage, friendships, and promises — stand out in today’s culture? What one step can you take this week to reflect God’s faithfulness in your own relationships?