Feed sparingly, and defy the physician.

The saying advises moderation in eating as a safeguard for health. By avoiding excess at the table, a person may reduce the need for a doctor’s care and so figuratively “defy” the physician.

Its contrast is deliberately forceful: prudent restraint is presented as stronger protection than treatment after illness. The proverb favors prevention through a temperate diet, not rejection of medical help when it is needed.

Use it when recommending modest portions or warning that habitual overeating can damage health. It suits a moralizing or humorous observation about diet and prevention, but should not be used to discourage anyone from seeking necessary professional medical attention.