|Matthew Henry's Concise Commentary|
15:1-16 Eliphaz begins a second attack upon Job, instead of being softened by his complaints. He unjustly charges Job with casting off the fear of God, and all regard to him, and restraining prayer. See in what religion is summed up, fearing God, and praying to him; the former the most needful principle, the latter the most needful practice. Eliphaz charges Job with self-conceit. He charges him with contempt of the counsels and comforts given him by his friends. We are apt to think that which we ourselves say is important, when others, with reason, think little of it. He charges him with opposition to God. Eliphaz ought not to have put harsh constructions upon the words of one well known for piety, and now in temptation. It is plain that these disputants were deeply convinced of the doctrine of original sin, and the total depravity of human nature. Shall we not admire the patience of God in bearing with us? and still more his love to us in the redemption of Christ Jesus his beloved Son?
Gill's Exposition of the Entire Bible
Should a wise man utter vain knowledge,.... As Job had been thought to be, or as he himself thought he was, which he might say sarcastically; or as he really was, not worldly wise, nor merely wise in things natural, but in things divine; being one that had the fear of God, which is the beginning of wisdom, and wisdom itself; believed in Christ, and walked wisely and circumspectly before men; now it is not becoming such a man to utter vain knowledge, or such knowledge as is like the wind, or, as the Targum, windy knowledge; empty, not solid, nor satisfying, but swells and puffs up, and is knowledge falsely so called; but it does not appear that Job did utter such vain and fruitless things as deserved to be compared to the wind:
and fill his belly with the east wind; which is noisy and blusterous, rapid and forcible, bearing all before it, and very infectious in hot countries; and such notions Job, according to Eliphaz, satisfied himself with, and endeavoured to insinuate them into others; which were nothing but great swelling words of vanity, and tended to subvert the faith of men, and overthrow all religion, and were very unwholesome, infectious, and ruinous to the minds of men, as suggested.
Jamieson-Fausset-Brown Bible Commentary
2. a wise man—which Job claims to be.
vain knowledge—Hebrew, "windy knowledge"; literally, "of wind" (Job 8:2). In Ec 1:14, Hebrew, "to catch wind," expresses to strive for what is vain.
east wind—stronger than the previous "wind," for in that region the east wind is the most destructive of winds (Isa 27:8). Thus here,—empty violence.
belly—the inward parts, the breast (Pr 18:8).
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