Luke 6:3 in the King James Version
And Jesus answering them said, Have ye not read so much as this, what David did, when himself was an hungred, and they which were with him;
Context
2 But some of the Pharisees said to them, “Why do you do that which is not lawful to do on the Sabbath day?”
3 Jesus, answering them, said, “Haven’t you read what David did when he was hungry, he and those who were with him,
4 how he entered into God’s house, and took and ate the show bread, and gave also to those who were with him, which is not lawful to eat except for the priests alone?”