Ecclesiastes 5:5

It is better not to take an oath than to take an oath and not keep it.

Proverbs 20:25

It is a danger to a man to say without thought, It is holy, and, after taking his oaths, to be questioning if it is necessary to keep them.

Acts 5:4

While you had it, was it not your property? and after you had given it in exchange, was it not still in your power? how has this purpose come into your mind? you have been false, not to men, but to God.

Deuteronomy 23:22

But if you take no oath, there will be no sin.

Treasury of Scripture Knowledge did not add

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain