Solomon
Ecclesiastes 3:13BSB·traditional attribution

and also that every man should eat and drink and find satisfaction in all his labor—this is the gift of God.

Matthew Henry Presbyterian @wholebiblehenry

We have seen what changes there are in the world, and must not expect to find the world more sure to us than it has been to others. Now here Solomon shows the hand of God in all those changes; it is he that has made every creature to be that to us which it is, and therefore we must have our eye always upon him. I.

Commenting on Ecclesiastes 3:11-15

John Gill Reformed Baptist @doctorgill

And also that every man should eat and drink,.... Not to excess, but in moderation; and yet freely, plentifully, and cheerfully; and not alone, but giving the poor a portion with him; and in all having in view the glory of God, Co1 10:31; and enjoy the good of all his labour; take the comfort of what he has been labouring for, and not lay...

Jamieson-Fausset-Brown Reformed @jfbcommentary

Literally, "And also as to every man who eats . . . this is the gift of God" (Ecc 3:22; Ecc 5:18). When received as God's gifts, and to God's glory, the good things of life are enjoyed in their due time and order (Act 2:46; Co1 10:31; Ti1 4:3-4).