John Gills Exposition of the Bible Commentary - Ecclesiastes 7:7
Surely oppression maketh a wise man mad ,.... Which is to be understood either passively, when he is oppressed by others, or sees others oppressed; it raises indignation in him, disturbs his mind, and he is ready to pass a wrong judgment on the dispensations of Providence, and to say rash and unadvised things concerning them, Psalm 73:2 ; or actively, of oppression with which he oppresses others; when he gives into such measures, his wisdom departs from him, his mind is besotted, he acts... read more
Matthew Henry's Complete Commentary - Ecclesiastes 7:7-10
Solomon had often complained before of the oppressions which he saw under the sun, which gave occasion for many melancholy speculations and were a great discouragement to virtue and piety. Now here, I. He grants the temptation to be strong (Eccl. 7:7): Surely it is often too true that oppression makes a wise man mad. If a wise man be much and long oppressed, he is very apt to speak and act unlike himself, to lay the reins on the neck of his passions, and break out into indecent complaints... read more