John Gills Exposition of the Bible Commentary - Proverbs 23:8
The morsel which thou hast eaten, shalt thou vomit up ,.... It shall turn in thy stomach, thou shall not be able to keep it, when thou understandest thou art not welcome; or thou wilt wish thou hadst never eaten a bit, or that thou couldest vomit up what thou hast; so disagreeable is the thought of being unwelcome, or when this appears to be the case; and lose thy sweet words ; expressed in thankfulness to the master of the feast, in praise of his food, in pleasantry with him, and the... read more
Matthew Henry's Complete Commentary - Proverbs 23:6-8
Those that are voluptuous and given to appetite (Prov. 23:2) are glad to be where there is good cheer stirring, and those that are covetous and saving, that they may spare at home, will be glad to get a dinner at another man's table; and therefore both are here advised not to be forward to accept of every man's invitation, but especially not to thrust themselves in uninvited. Observe, 1. There are those that pretend to bid their friends welcome that are not hearty and sincere in it. They have... read more