John 6:2

But he went out and began to proclaim it freely and to spread the news around, to such an extent that Jesus could no longer publicly enter a city, but stayed out in desolate areas; and they were coming to Him from everywhere.

Jesus did this in Cana of Galilee as the beginning of His signs, and manifested His glory, and His disciples believed in Him.

On the next day, the crowd which stood on the other side of the sea saw that there was no other small boat there, except one, and that Jesus had not entered with His disciples into the boat, but that His disciples had gone away alone.

Jesus answered them and said, “Truly, truly, I say to you, you seek Me, not because you saw signs, but because you ate of the loaves and were filled.

So they said to Him, “What then do You do for a sign so that we may see, and believe You? What work do You perform?