Deuteronomy 30:20
That you may love the LORD your God, and that you may obey his voice, and that you may hold 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.
Torrey's Topical Textbook—AKJV

1 John 5:3
For this is the love of God, that we keep his commandments: and his commandments are not grievous.
Torrey's Topical Textbook—AKJV