Matthew Henry on 2 Samuel 20:4-13
We have here Amasa's fall just as he began to rise. He was nephew to David (Sa2 17:25), had been Absalom's general and commander-in-chief of his rebellious army, but, that being routed, he came over into David's interest, upon a promise that he should be general of his forces instead of Joab. Sheba's rebellion gives David an occasion to fulfil his promise sooner than he could wish, but Joab's envy and emulation rendered its fulfillment of ill consequence both to him and David.
I. Amasa has a commission to raise forces for the suppressing of Sheba's rebellion, and is ordered to raise them with all possible expedition, Sa2 20:4. It seems, the men of Judah, though forward to attend the king's t…
Read the whole note in the consoleJamieson-Fausset-Brown on 2 Samuel 20:11
He that favoureth Joab, and he that is for David, let him go after Joab--It is a striking proof of Joab's unrivalled influence over the army, that with this villainous murder perpetrated before their eyes they unanimously followed him as their leader in pursuit of Sheba. A soldier conjoined his name with David's, and such a magic spell was in the word "Joab," that all the people "went on"--Amasa's men as well as the rest. The conjunction of these two names is very significant. It shows that the one could not afford to do without the other--neither Joab to rebel against David, nor David to get rid of Joab, though hating him.
Adam Clarke on 2 Samuel 20:12
Amasa wallowed in blood - It is very likely that Amasa did not immediately die; I have known instances of persons living several hours after their bowels had been shed out.
John Gill on 2 Samuel 20:13
When he was removed out of the highway,.... Into the field, and covered over with a cloth, that he could not be seen:
all the people went on after Joab; made no stop at all, knowing nothing of the matter, or what had happened:
to pursue after Sheba the son of Bichri; these were the troops that Amasa had been assembling, which followed one another after him; for Joab and Abishai, with their men, were at Gibeon first.
