Bible Verses About Repentance: Conviction of sin necessary to

what prayer and supplication soever be made by any man, or by all thy people Israel, who shall know every man the plague of his own heart, and spread forth his hands toward this house:

He that covereth his transgressions shall not prosper; But whoso confesseth and forsaketh them shall obtain mercy.

Now when they heardthis, they were pricked in their heart, and said unto Peter and the rest of the apostles, Brethren, what shall we do?

And Peter said unto them, Repent ye, and be baptized every one of you in the name of Jesus Christ unto the remission of your sins; and ye shall receive the gift of the Holy Spirit.

Many also of them that had believed came, confessing, and declaring their deeds.