Jesus answered them, "Most assuredly I tell you, you seek me, not because you saw signs, but because you ate of the loaves, and were filled.

 When the people had eaten their fill, Jesus bade his disciples gather up the fragments left. Why the fragments? At Jewish feasts the regular practice was to leave something for the servants. That which was left was called the Peah; and no doubt the people left their usual part for those who had served them with the meal. 