John 4:31-34

Meanwhile his disciples urged him, "Rabbi, eat something." But he said to them, "I have food to eat that you know nothing about." Then his disciples said to each other, "Could someone have brought him food?"  "My food," said Jesus, "is to do the will of him who sent me and to finish his work." 

"I have food to eat that you know nothing about"
Job 23:12  "I have not departed from the commands of his lips; I have treasured the words of his mouth more than my daily bread."
Matthew 4:4  Jesus answered, "It is written: 'Man shall not live on bread alone, but on every word that comes from the mouth of God.' (Deuteronomy 8:3)"
John 6:26-27  Jesus answered, "Very truly I tell you, you are looking for me, not because you saw the signs I performed but because you ate the loaves and had your fill. Do not work for food that spoils, but for food that endures to eternal life, which the Son of Man will give you. For on him God the Father has placed his seal of approval."

"My food," said Jesus, "is to do the will of him who sent me" 
Matthew 26:39  Going a little farther, he fell with his face to the ground and prayed, "My Father, if it is possible, may this cup be taken from me. Yet not as I will, but as you will."

"and to finish his work" 
John 19:30  When he had received the drink, Jesus said, "It is finished." With that, he bowed his head and gave up his spirit.
Luke 12:49-52  "I have come to bring fire on the earth, and how I wish it were already kindled! But I have a baptism to undergo, and what constraint I am under until it is completed! Do you think I came to bring peace on earth? No, I tell you, but division. From now on there will be five in one family divided against each other, three against two and two against three."
John 17:4  "I have brought you glory on earth by finishing the work you gave me to do."

(parentheses are mine)

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