John 6:28-32

²⁸So they said to Him, “What should we do so that we may work the works of God?”

²⁹Jesus answered and said to them, “This is the work of God, that you believe into the One whom He sent.”

³⁰So they said to Him: “Well then, what sign are you going to do so we may see and believe you? What are you going to perform?

³¹Our fathers ate the manna in the desert, just as it is written: ‘He gave them bread from Heaven to eat.’ ”

³²Then Jesus said to them: “Most assuredly I say to you, Moses did not give you the bread from Heaven, but my Father gives you the true bread from Heaven.