Introduction
There is an old suspicion that grace makes people careless. If God accepts you regardless, why bother changing? Paul answers it in this passage with one of the most surprising verbs in the New Testament.
Grace, he says, 'teaches us.' The word describes what a trainer does with a student over years. Grace is not only the pardon at the beginning. It is the instruction that follows.
The main point: the gospel that saves you is also the gospel that trains you, and the classroom is ordinary life.
I. A Word for Every Age and Stage (Titus 2:1-10)
Paul goes round the congregation group by group, and the instructions are refreshingly unspectacular.
Twice Paul gives the reason: 'so that no one will malign the word of God' and 'so that in every way they will make the teaching about God our Savior attractive.' Behavior is not the gospel, but it is the window people look through to see it.
II. Grace That Trains (Titus 2:11-15; Ephesians 2:8-10)
Then the heart of the letter, five verses that hold salvation, ethics and hope together without letting any of them come loose.
And the purchase price: He 'gave himself for us to redeem us from all wickedness and to purify for himself a people that are his very own, eager to do what is good.' Eagerness, not obligation. That is what grace produces when it has done its training.
III. Remember What You Were (Titus 3:1-11; 1 Peter 2:11-12)
Chapter three turns outward — to neighbors, authorities, and people who are not believers — and grounds it all in memory.
'These things are excellent and profitable for everyone', he says of good works. But 'avoid foolish controversies', because they are 'unprofitable and useless.' Paul weighs everything by whether it actually does anyone good.
Conclusion & Appeal
So where are you in this chapter? Older, younger, employer, employee, new to faith or fifty years in — Paul has a line for each, and none of them is about religious activity. They are all about how you are to live in the ordinary roles you already hold.
And notice the freedom in it. You are not producing your standing with God. You are being trained by the grace that already gave it to you.
Pick one word from this passage that fits you — temperate, self-controlled, gentle, eager to do good — and let grace train you in it this week. Not to earn anything. Because someone is looking through the window.