"And i the LORD your God will circumcise your heart and the heart of your descendants, to love the LORD your God with all your heart and with all your soul, that you may live.
New King James Version (NKJV) Copyright © 1982 by Thomas Nelson, Inc.
Therefore circumcise the foreskin of your heart, and be stiff-necked no longer.
Then I will give them one heart and one way, that they may fear Me forever, for the good of them and their children after them.
Then I will give them one heart, and I will put a new spirit within them, and take the stony heart out of their flesh, and give them a heart of flesh.