Deuteronomy 6:5 in the King James Version
And thou shalt love the LORD thy God with all thine heart, and with all thy soul, and with all thy might.
Context
4 Hear, Israel: The LORD is our God. The LORD is one.
5 You shall love the LORD your God with all your heart, with all your soul, and with all your might.
6 These words, which I command you today, shall be on your heart;