João 4

Jesus told his disciples that what sustained him was doing his Father’s will, which meant convincing non-Jewish people to believe in him.

31 Meanwhile, we disciples were urging him, "Teacher, eat some of the food we brought!" 32 But he said to us, "I have food to eat that you do not know anything about!" 33 So we started saying to each other, "◄Surely no one has brought him any food when we were not here!/Has anyone brought him any food when we were not here?► [RHQ]" 34 Jesus said to us, "Doing what my Father who sent me wants me to do and finishing the work he gave me to do is ◄what sustains me/like my food► [MET].