John 6:26-30

26Jesus answered, “Truly I tell you, you are looking for me, not because you saw the signs, but because you ate the loaves and were filled.

27Don’t work for the food that perishes but for the food that lasts for eternal life, which the Son of Man will give you, because God the Father has set his seal of approval on him.”

28“What can we do to perform the works of God?” they asked.

29Jesus replied, “This is the work of God — that you believe in the one he has sent.”

30“What sign, then, are you going to do so that we may see and believe you?” they asked. “What are you going to perform?