John 8:7

When they kept on questioning him, he straightened up and said to them, “If any one of you is without sin, let him be the first to throw a stone at her [the woman caught in adultery].”

John 6:27

Do not work for food that spoils, but for food that endures to eternal life, which the Son of Man will give you. On him God the Father has placed his seal of approval.