Matthew Henry's Concise Commentary on the Bible - 2 Samuel 17:1-21
1-21 Here was a wonderful effect of Divine Providence blinding Absalom's mind and influencing his heart, that he could not rest in Ahithophel's counsel, and that he should desire Hushai's advice. But there is no contending with that God who can arm a man against himself, and destroy him by his own mistakes and passions. Ahithophel's former counsel was followed, for God intended to correct David; but his latter counsel was not followed, for God meant not to destroy him. He can overrule all... read more
George Haydock's Catholic Bible Commentary - 2 Samuel 17:3
One man. They will return with such unanimity, when their leader is cut off. (Menochius) --- David was the one man whom his son desired to kill, as the latter was the only one whom David ordered to be spared, chap. xviii. 5. (Haydock) --- Hebrew seems rather transposed: "I will bring back all the people to thee, as all the people, whom thou seekest, are returned; and all the people shall be in peace:" or, ... "when all those, whom thou desirest, shall be returned, &c. (Calmet) ---... read more