Solomon
Ecclesiastes 9:1ESV·traditional attribution

But all this I laid to heart, examining it all, how the righteous and the wise and their deeds are in the hand of God. Whether it is love or hate, man does not know; both are before him.

Matthew Henry Presbyterian @wholebiblehenry

It has been observed concerning those who have pretended to search for the philosophers' stone that, though they could never find what they sought for, yet in the search they have hit upon many other useful discoveries and experiments. Thus Solomon, when, in the close of the foregoing chapter, he applied his heart to know the work of God, and took a great deal of...

Commenting on Ecclesiastes 9:1-3

John Gill Reformed Baptist @doctorgill

For all this I considered in mine heart,.... What goes before, in the latter end of the preceding chapter, concerning the various providences of God, the difficulty of finding out the reasons of them, and the fruitlessness of attempting it; and also what follows, the work of Providence: Solomon gave his mind unto, attended it with great application, and strictly considered and examined it, in...

Geneva Bible Notes Reformed @genevanotes

For all this I considered in my heart even to declare all this, that the righteous, and the wise, and their works, [are] in the hand of God: no man knoweth either love or hatred [by] all [that is] before them.