2 Corinthians 13:5
You yourselves must continue testing yourselves to see whether you are continuing in the faith. You must continue standing the test. Do you not know by a growing experience that Jesus Christ is in you? -- provided you stand the test.
Acts 26:20
but I began to preach first to the people of Damascus and Jerusalem, and all over Judea, and then to the heathen, to repent and turn to God, and to live lives consistent with such repentance.
1 Corinthians 11:28
A man, then, must examine himself, and only in this way should he eat any of the bread and drink from the cup.
1 Corinthians 11:31
But if we properly saw ourselves, we would not bring down upon us this judgment.