Deuteronomy 6:13
Thou shalt fear the LORD thy God, and serve him, and shalt swear by his name.
In other versions
Thou shalt fear Jehovah thy God; and him shalt thou serve, and shalt swear by his name.
ASV
Let the fear of the Lord your God be in your hearts, and be his servants, taking your oaths by his name.
BBE
Thou shalt fear Jehovah thy God, and serve him, and shalt swear by his name.
DBY
You shall fear Yahweh your God; and him shall you serve, and shall swear by his name.
WEB
Jehovah thy God thou dost fear, and Him thou dost serve, and by His name thou dost swear;
YLT
You shall fear the LORD your God, and serve him, and shall swear by his name.
ENG
Thou shalt fear the LORD thy God, and serve him, and shalt swear by his name.
WBT
Fear the LORD your God, serve Him only, and take your oaths in His name.
BSB
In context
11And houses full of all good things, which thou filledst not, and wells digged, which thou diggedst not, vineyards and olive trees, which thou plantedst not; when thou shalt have eaten and be full;
12Then beware lest thou forget the LORD, which brought thee forth out of the land of Egypt, from the house of bondage.
13Thou shalt fear the LORD thy God, and serve him, and shalt swear by his name.
14Ye shall not go after other gods, of the gods of the people which are round about you;
15(For the LORD thy God is a jealous God among you) lest the anger of the LORD thy God be kindled against thee, and destroy thee from off the face of the earth.