Acts 26:20

but I declared both to those in Damascus first, and in Jerusalem, and through all the region of Judea, and to the gentiles, that they should repent and turn to God, doing works worthy of repentance.

James 4:8-9

Draw nigh to God, and He wild draw nigh to you. Cleanse your hands, ye sinners; and purify your hearts, ye double-minded.

Treasury of Scripture Knowledge

Summary

Therefore also now, saith the LORD, turn ye even to me with all your heart, and with fasting, and with weeping, and with mourning:

With fasting

Bible References

With fasting

James 4:8
Draw nigh to God, and He wild draw nigh to you. Cleanse your hands, ye sinners; and purify your hearts, ye double-minded.