For as he thinketh in his heart, so is he: Eat and drink, saith he to thee; but his heart is not with thee.
Those that are voluptuous and given to appetite (Pro 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.
Commenting on Proverbs 23:6-8
For as he thinketh in his heart, so is he,.... He is not the man his mouth speaks or declares him to be, but what his heart thinks; which is discovered by his looks and actions, and by which he is to be judged of, and not by his words; eat and drink, saith he to thee, but his heart is not with thee; he...
Pro 23:6-8 There now follows a proverb with unequally measured lines, perhaps a heptastich: 6 Eat not the bread of the jealous, And let not thyself lust after his dainties; 7 For as one who calculates with himself, so is he: “Eat and drink,” saith he to thee; But his heart is not with thee.
Commenting on Proverbs 23:6-8