Acts 2:38

Peter said to them, "You must repent, and every one of you be baptized in the name of Jesus Christ, in order to have your sins forgiven; then you will receive the gift of the holy Spirit,

Acts 26:20

but first to the people of Damascus and Jerusalem and then all over Judea, and even to the heathen I preached that they must repent and turn to God and live as men who have repented should.

James 1:27

A religious observance that is pure and stainless in the sight of God the Father is this: to look after orphans and widows in their trouble, and keep one's self unstained by the world.

James 2:13

For the merciless will be mercilessly judged; but mercy will triumph over judgment.

Treasury of Scripture Knowledge

Summary

Therefore turn thou to thy God: keep mercy and judgment, and wait on thy God continually.

Bible References

Keep

James 1:27
A religious observance that is pure and stainless in the sight of God the Father is this: to look after orphans and widows in their trouble, and keep one's self unstained by the world.
James 2:13
For the merciless will be mercilessly judged; but mercy will triumph over judgment.