Bible Verses About Oaths: The Jews: To Use God's Name Alone In

Thou shalt fear the LORD thy God, and serve him, and shalt swear by his name.

Thou shalt fear the LORD thy God; him shalt thou serve, and to him shalt thou cleave, and swear by his name.

That he who blesseth himself in the earth shall bless himself in the God of truth; and he that sweareth in the earth shall swear by the God of truth; because the former troubles are forgotten, and because they are hid from mine eyes.