Galatians 2:14

But when I saw that they did not walk uprightly according to the truth of the gospel, I said to Peter, before them all: If you, being a Jew, live after the manner of the Gentiles, and not after the manner of the Jews, why do you compel the Gen tiles to observe Jewish customs?

Matthew 18:15

And if your brother sin against you, go and tell him of his fault between you and him alone; if he hear you, you have gained your brother.

1 Timothy 5:20

Those who sin rebuke before all, that the rest also may fear.

Treasury of Scripture Knowledge

Summary

Open rebuke is better than secret love.

Bible References

General references

Matthew 18:15
And if your brother sin against you, go and tell him of his fault between you and him alone; if he hear you, you have gained your brother.
Galatians 2:14
But when I saw that they did not walk uprightly according to the truth of the gospel, I said to Peter, before them all: If you, being a Jew, live after the manner of the Gentiles, and not after the manner of the Jews, why do you compel the Gen tiles to observe Jewish customs?
1 Timothy 5:20
Those who sin rebuke before all, that the rest also may fear.