Solomon
Ecclesiastes 7:28ESV·traditional attribution

which my soul has sought repeatedly, but I have not found. One man among a thousand I found, but a woman among all these I have not found.

Matthew Henry Presbyterian @wholebiblehenry

Solomon had hitherto been proving the vanity of the world and its utter insufficiency to make men happy; now here he comes to show the vileness of sin, and its certain tendency to make men miserable; and this, as the former, he proves from his own experience, and it was a dear-bought experience.

Commenting on Ecclesiastes 7:23-29

John Gill Reformed Baptist @doctorgill

Which yet my soul seeketh, but I find not,.... He was very earnest and diligent in his inquiry; he took a great deal of pains, and was exceedingly solicitous; he sought with great intenseness of mind, and with an eager desire, to find out a chaste and virtuous woman among them all, but could not; one man among a thousand have I found; it is...

Jamieson-Fausset-Brown Reformed @jfbcommentary

Rather, referring to his past experience, "Which my soul sought further, but I found not." one man--that is, worthy of the name, "man," "upright"; not more than one in a thousand of my courtiers (Job 33:23; Psa 12:1). Jesus Christ alone of men fully realizes the perfect ideal of "man." "Chiefest among ten thousand" (Sol 5:10). No perfect "woman" has ever existed, not even the Virgin Mary.