Jeremiah 31:34 in the King James Version
And they shall teach no more every man his neighbour, and every man his brother, saying, Know the LORD: for they shall all know me, from the least of them unto the greatest of them, saith the LORD: for I will forgive their iniquity, and I will remember their sin no more.
Context
33 “But this is the covenant that I will make with the house of Israel after those days,” says the LORD: “I will put my law in their inward parts, and I will write it in their heart. I will be their God, and they shall be my people.
34 They will no longer each teach his neighbor, and every man teach his brother, saying, ‘Know the LORD;’ for they will all know me, from their least to their greatest,” says the LORD, “for I will forgive their iniquity, and I will remember their sin no more.”
35 The LORD, who gives the sun for a light by day, and the ordinances of the moon and of the stars for a light by night, who stirs up the sea, so that its waves roar— the LORD of Armies is his name, says: