Deuteronomy 30:20

and that you may love the Lord your God, obey Him, and hold fast to Him. For He is your life, and He will prolong your life in the land that the Lord swore to give to your fathers, to Abraham, Isaac, and Jacob.”
BSB · Berean Standard Bible
That thou mayest love the Lord thy God, and that thou mayest obey his voice, and that thou mayest cleave unto him: for he is thy life, and the length of thy days: that thou mayest dwell in the land which the Lord sware unto thy fathers, to Abraham, to Isaac, and to Jacob, to give them.
KJV · King James Version
to love the Lord your God, to obey his voice, and to cling to him; for he is your life, and the length of your days, that you may dwell in the land which the Lord swore to your fathers, to Abraham, to Isaac, and to Jacob, to give them.
WEB · World English Bible
to love Jehovah thy God, to obey his voice, and to cleave unto him; for he is thy life, and the length of thy days; that thou mayest dwell in the land which Jehovah sware unto thy fathers, to Abraham, to Isaac, and to Jacob, to give them.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

love
Deuteronomy 30:6, 16; Deuteronomy 10:12; Deuteronomy 11:22
cleave
Deuteronomy 4:4; Deuteronomy 10:20; Joshua 23:8; Acts 11:23; Romans 12:9
thy life
Psalm 27:1; Psalm 30:5; Psalm 36:9; Psalm 66:9; John 11:25, 26; John 14:6; John 17:3; Acts 17:25, 28; Galatians 2:20; Colossians 3:3, 4; Revelation 21:6; Revelation 22:1, 17
thou mayest
Deuteronomy 4:40; Deuteronomy 5:16; Deuteronomy 11:9; Deuteronomy 12:10