Acts 26:20

but preached first to those at Damascus and Jerusalem, and in all the country of Judea, and to the gentiles, that they should change their minds and turn to God, performing works worthy of a change of mind.

James 4:8-9

draw nigh to God and he will draw nigh to you. Cleanse your hands, sinners, purify your hearts, 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 will draw nigh to you. Cleanse your hands, sinners, purify your hearts, double-minded.