Deuteronomy 30:6 in the King James Version
And the LORD thy God will circumcise thine heart, and the heart of thy seed, to love the LORD thy God with all thine heart, and with all thy soul, that thou mayest live.
Context
5 The LORD your God will bring you into the land which your fathers possessed, and you will possess it. He will do you good, and increase your numbers more than your fathers.
6 The LORD your God will circumcise your heart, and the heart of your offspring, to love the LORD your God with all your heart and with all your soul, that you may live.
7 The LORD your God will put all these curses on your enemies and on those who hate you, who persecuted you.