“Circumcise the foreskin of your heart, and be no more stiffnecked,” Deut. x. 16. “And the Lord thy God will circumcise thine heart, and the heart of thy seed,” chap. xxx. 6. — “Make you a new heart and a new spirit, for why will ye die, O house of Israel?” Ezek. xviii. 31. “A new heart will I give you, and a new spirit will I put within you,” chap. xxxvi. 26.