Matthew Henry on 2 Samuel 15:31–end
Nothing, it seems, appeared to David more threatening in Absalom's plot than that Ahithophel was in it; for one good head, in such a design, is worth a thousand good hands. Absalom was himself no politician, but he had got one entirely in his interest that was, and would be the more dangerous because he had been all along acquainted with David's counsels and affairs; if therefore he can be baffled, Absalom is as good as routed and the head of the conspiracy cut off. This David endeavours to do.
I. By prayer. When he heard that Ahithophel was in the plot he lifted up his heart to God in this short prayer: Lord, turn the counsel of Ahithophel into foolishness, Sa2 15:31. He had not opportunity…
Read the whole note in the consoleJamieson-Fausset-Brown on 2 Samuel 15:32
when David was come to the top of the mount, where he worshipped--looking towards Jerusalem, where were the ark and tabernacle.
Hushai the Archite--A native of Archi, on the frontiers of Benjamin and Ephraim (Jos 16:2). Comparing the prayer against Ahithophel with the counsel to Hushai, we see how strongly a spirit of fervent piety was combined in his character with the devices of an active and far-seeing policy.
Next: 2 Samuel Chapter 16
Adam Clarke on 2 Samuel 15:37
Absalom came into Jerusalem - It is very probable that he and his partisans were not far from the city when David left it, and this was one reason which caused him to hurry his departure.
Reader, behold in the case of David a sad vicissitude of human affairs, and a fearful proof of their instability. Behold a king, the greatest that ever lived, a profound politician, an able general, a brave soldier, a poet of the most sublime genius and character, a prophet of the Most High God, and the deliverer of his country, driven from his dominions by his own son, abandoned by his fickle people, and for a time even by his God! See in his desolate state that there is none so exalted that God cannot aba…
Read the whole note in the consoleJohn Gill