Galatians 2:14

But when I saw, that they walked not uprightly, according to the truth of the gospel, I said to Cephas before them all, If thou being a Jew, livest after the manner of the Gentiles, and not as do the Jews, why compellest thou the Gentiles to judaize?

Matthew 18:15

But if thy brother shall sin against thee, go and tell him his fault, between thee and him alone: if he will hear thee, thou hast gained thy brother.

1 Timothy 5:20

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

Treasury of Scripture Knowledge

Summary

Open rebuke is better than secret love.

Bible References

General references

Matthew 18:15
But if thy brother shall sin against thee, go and tell him his fault, between thee and him alone: if he will hear thee, thou hast gained thy brother.
Galatians 2:14
But when I saw, that they walked not uprightly, according to the truth of the gospel, I said to Cephas before them all, If thou being a Jew, livest after the manner of the Gentiles, and not as do the Jews, why compellest thou the Gentiles to judaize?
1 Timothy 5:20
Those that sin, rebuke before all, that the rest may fear.