Solomon
Ecclesiastes 4:6ESV·traditional attribution

Better is a handful of quietness than two hands full of toil and a striving after wind.

Matthew Henry Presbyterian @wholebiblehenry

Here Solomon returns to the observation and consideration of the vanity and vexation of spirit that attend the business of this world, which he had spoken of before, Ecc 2:11. I. If a man be acute, and dexterous, and successful in his business, he gets the ill-will of his neighbours, Ecc 4:4.

Commenting on Ecclesiastes 4:4-6

John Gill Reformed Baptist @doctorgill

Better is a handful with quietness,.... These are the words of the fool, according to Aben Ezra; and which is the sense of other interpreters, particularly Mr. Broughton, who connects this verse with Ecc 4:5 by adding at the end of that the word "saying"; making an excuse or an apology for himself and conduct, from the use and profitableness of his sloth; that little...

Jamieson-Fausset-Brown Reformed @jfbcommentary

Hebrew; "One open hand (palm) full of quietness, than both closed hands full of travail." "Quietness" (mental tranquillity flowing from honest labor), opposed to "eating one's own flesh" (Ecc 4:5), also opposed to anxious labor to gain (Ecc 4:8; Pro 15:16-17; Pro 16:8).