Solomon
Proverbs 18:14ESV·traditional attribution

A man’s spirit will endure sickness, but a crushed spirit who can bear?

Matthew Henry Presbyterian @wholebiblehenry

Note, 1. Outward grievances are tolerable as long as the mind enjoys itself and is at ease. Many infirmities, many calamities, we are liable to in this world, in body, name, and estate, which a man may bear, and bear up under, if he have but good conduct and courage, and be able to act with reason and resolution, especially if he have a good...

John Gill Reformed Baptist @doctorgill

The spirit of a man will sustain his infirmity,.... The spirit of a mighty man, as Jarchi; a man of spirit, that has a spirit of fortitude, even of natural fortitude, and especially of Christian fortitude; that has a spirit of might upon him, of power, and sound mind; a man of a Christian spirit, that is renewed in the spirit of his mind; who...

Jamieson-Fausset-Brown Reformed @jfbcommentary

infirmity--bodily sickness, or outward evil. The spirit, which sustains, being wounded, no support is left, except, as implied, in God.