Joshua 9:20
This we will do to them; we will even let them live, lest wrath be on us, because of the oath which we swore to them.
Torrey's Topical Textbook—AKJV

Psalm 15:4
In whose eyes a vile person is contemned; but he honors them that fear the LORD. He that swears to his own hurt, and changes not.
Torrey's Topical Textbook—AKJV