Acts 19:18

And many of those who believed came and confessed, and made known their practices.

Matthew 3:6

and were immersed by him in the Jordan, confessing their sins.

Romans 10:10

For with the heart we believe, in order to justification; and with the mouth we make confession, it order to salvation.

1 John 1:9

If we confess our sins, he is faithful and just, so that he will forgive us our sins, and cleanse us from all unrighteousness.

Treasury of Scripture Knowledge

Summary

And many that believed came, and confessed, and shewed their deeds.

Bible References

Confessed

Matthew 3:6
and were immersed by him in the Jordan, confessing their sins.
Romans 10:10
For with the heart we believe, in order to justification; and with the mouth we make confession, it order to salvation.
1 John 1:9
If we confess our sins, he is faithful and just, so that he will forgive us our sins, and cleanse us from all unrighteousness.