Jeremiah 31:33-34

33 1But this is the covenant that I will make with the house of Israel after those days, declares the LORD: 2I will put my law within them, and I will write it 3on their hearts. 4And I will be their God, and they shall be my people.
34 And no longer shall each one teach his neighbor and each his brother, saying, 'Know the LORD,'5for they shall all know me, 6from the least of them to the greatest, declares the LORD. For 7I will forgive their iniquity, and 8I will remember their sin no more."