When thou sittest to eat with a ruler, consider diligently what is before thee: and put a knife to thy throat, if thou be a man given to appetite.
Be not desirous of his dainties: for they are deceitful meat.
Labour not to be rich: cease from thine own wisdom.
Wilt thou set thine eyes upon that which is not? For riches certainly make themselves wings; they fly away as an eagle toward heaven.
Eat thou not the bread of him that hath an evil eye, neither desire thou his dainty meats: for as he thinketh in his heart, so is he: “Eat and drink,” saith he to thee; but his heart is not with thee.
The morsel which thou hast eaten shalt thou vomit up, and lose thy sweet words.
Proverbs 23:1-8