Deuteronomy 6:13

13Fear the Lord your God, serve him only and take your oaths in his name.

13You shall 6:13 Or reverefear only the Lord your God; and you shall 6:13 Or serveworship Him and swear by His name.

13You shall Or reverencefear only the Lord your God; and you shall worship Him and swear by His name.

13You shall fear [only] the Lord your God; and you shall serve Him [with awe-filled reverence and profound respect] and swear [oaths] by His name [alone].

13Fear the Lord your God, serve Him only, and take your oaths in His name.6:13 Or serve Him, and take your oaths only in His name; cited in Matthew 4:10 and Luke 4:8

13Worship the Lord your God. He is the only one you should serve. When you make promises, do so in his name.