Thou shalt fear the LORD thy God, and serve him, and shalt (f) swear by his name.
(f) We must fear God, serve him only and confess his Name, which is done by swearing lawfully.
Related Commentaries of Deuteronomy 6:13
Deuteronomy 6:13
13 Thou shalt fear the LORD thy God, and serve him, and shalt swear by his name.