The Compendium of Bheḷa 3.3.4

3.3.4

mitaṃ pacyetayasyānnamatibhuktaṃ na pacyate | samāgniṃ taṃ naraṃ vidyāt samapittakaphānilam ||

In whom measured food digests, and what is eaten in excess does not digest: / one should know that man to have a balanced digestive fire, having balanced bile, phlegm, and wind.