2 Corinthians 13:5
Examine yourselves to see if you are in the faith; put your own selves to the proof. Or do you not know, your own selves, that Jesus Christ is in you, unless indeed you fail to abide the proof?
Acts 26:20
"but I proceeded to preach, first to those in Damascus, and then in Jerusalem and throughout all the country of Judea, and also to the Gentiles, that they must repent and turn to God and do deeds worthy of repentance.
1 Corinthians 11:28
Let each man scrutinize himself, and thus let him eat of the bread and drink of the cup.
1 Corinthians 11:31
If however, we were judging ourselves aright, we should not now be condemned;