Cross reference
Proverbs 23:1
1 When thou sittest to eat with a ruler, Consider diligently him that is before thee;
Genesis 43:32-34
32 And they set on for him by himself, and for them by themselves, and for the Egyptians, that did eat with him, by themselves: because the Egyptians might not eat bread with the Hebrews; for that is an abomination unto the Egyptians.
33 And they sat before him, the first-born according to his birthright, and the youngest according to his youth: and the men marvelled one with another.
34 And he took `and sent' messes unto them from before him: but Benjamin's mess was five times so much as any of theirs. And they drank, and were merry with him.
Jude 1:12
12 These are they who are hidden rocks in your love-feasts when they feast with you, shepherds that without fear feed themselves; clouds without water, carried along by winds; autumn leaves without fruit, twice dead, plucked up by the roots;