John 6:27-29 NIV

27 Do not work for food that spoils, but for food that endures1 to eternal life,2 which the Son of Man3 will give you. On him God the Father has placed his seal4 of approval."

References for John 6:27

28 Then they asked him, "What must we do to do the works God requires?"
29 Jesus answered, "The work of God is this: to believe5 in the one he has sent."6

References for John 6:29