Moses
Deuteronomy 28:29ESV·traditional attribution

and you shall grope at noonday, as the blind grope in darkness, and you shall not prosper in your ways. And you shall be only oppressed and robbed continually, and there shall be no one to help you.

Matthew Henry Presbyterian @wholebiblehenry

Having viewed the bright side of the cloud, which is towards the obedient, we have now presented to us the dark side, which is towards the disobedient. If we do not keep God's commandments, we not only come short of the blessing promised, but we lay ourselves under the curse, which is as comprehensive of all misery as the blessing is of all happiness. Observe, I.

Commenting on Deuteronomy 28:15-44

John Gill Reformed Baptist @doctorgill

Thy sons and thy daughters shall be given unto another people,.... This also was not true in the Babylonish captivity; for then their sons and daughters went with them, and continued with them, and returned again; but has been oftentimes verified since their captivity by the Romans; frequently their sons and daughters have been taken from them by force, to be brought up in another...

Jamieson-Fausset-Brown Reformed @jfbcommentary

thou shalt grope at noonday--a general description of the painful uncertainty in which they would live. During the Middle Ages the Jews were driven from society into hiding-places which they were afraid to leave, not knowing from what quarter they might be assailed and their children dragged into captivity, from which no friend could rescue, and no money ransom them.