Matthew 3:10

But even the axe already lieth at the root of the trees; therefore every tree that bringeth not forth good fruit, is hewn down and cast into the fire.

Acts 3:19

Repent ye therefore and be converted, that your sins may be blotted out, that the times of refreshing may come from the presence of the Lord,

Treasury of Scripture Knowledge

Summary

If he turn not, he will whet his sword; he hath bent his bow, and made it ready.

Bible References

If

Matthew 3:10
But even the axe already lieth at the root of the trees; therefore every tree that bringeth not forth good fruit, is hewn down and cast into the fire.
Acts 3:19
Repent ye therefore and be converted, that your sins may be blotted out, that the times of refreshing may come from the presence of the Lord,