Acts 26:20

but I proceeded to preach first to the people in Damascus, and then to those in Jerusalem and in all Judaea, and to the Gentiles, that they must repent and turn to God, and live lives consistent with such repentance.

James 4:8-9

Draw near to God, and He will draw near to you. Cleanse your hands, you sinners, and make your hearts pure, you who are half-hearted towards God.

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 near to God, and He will draw near to you. Cleanse your hands, you sinners, and make your hearts pure, you who are half-hearted towards God.