You find it in the BIBLE, the Word of the Living God!

“FOR MY FLESH IS REAL FOOD AND MY BLOOD IS REAL DRINK.” John 6:55

“… MAN DOES NOT LIVE ON BREAD ALONE BUT ON EVERY WORD THAT COMES FROM THE MOUTH OF THE LORD.” Deuteronomy 8:3 (Matthew 4:4)

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John 4:34

“‘My food,’ said Jesus, ‘is to do the will of him who sent me and to finish his work.'”