Matthew 3:10

And now also the ax is laid to the root of the trees: every tree therefore which produceth not good fruit, is hewing down, and casting into the fire.

Acts 3:19

Repent ye therefore, and be converted, that your sins may be blotted out, when refreshing seasons shall 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
And now also the ax is laid to the root of the trees: every tree therefore which produceth not good fruit, is hewing down, and casting into the fire.
Acts 3:19
Repent ye therefore, and be converted, that your sins may be blotted out, when refreshing seasons shall come from the presence of the Lord;