Deuteronomy 6:5
And you shall love the LORD your God with all your heart, and with all your soul, and with all your might.
Torrey's Topical Textbook—AKJV

Deuteronomy 10:12,13
And now, Israel, what does the LORD your God require of you, but to fear the LORD your God, to walk in all his ways, and to love him, and to serve the LORD your God with all your heart and with all your soul,
Torrey's Topical Textbook—AKJV

Matthew 22:36,38
Master, which is the great commandment in the law?
Torrey's Topical Textbook—AKJV