John 6:24-29

24So when the crowd saw that Jesus was not there, nor his disciples, they themselves got into the boats and went to Capernaum, seeking Jesus.

25When they found him on the other side of the sea, they said to him, "Rabbi, when did you come here?"

26Jesus answered them, "Truly, truly, I say to you, you are seeking me, not because you saw signs, but because you ate your fill of the loaves.

27Do not work for the food that perishes, but for the food that endures to eternal life, which the Son of Man will give to you. For on him God the Father has set his seal."

28Then they said to him, "What must we do, to be doing the works of God?"

29Jesus answered them, "This is the work of God, that you believe in him whom he has sent."