Deuteronomy 6:13 Thou shalt fear the Lord thy God, and serve him, and shalt swear by his name. 16 I MC VC

Deuteronomy 10:20 Thou shalt fear the Lord thy God; him shalt thou serve, and to him shalt thou cleave, and swear by his name. 14 I MC VC

Isaiah 65:16 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. 4 I MC VC