John Gills Exposition of the Bible Commentary - 2 Samuel 20:10
But Amasa took no heed to the sword that was in Joab's hand ,.... In his left hand, for with his right hand he took him by the beard; he might see the sword drop out of the scabbard, and Joab take it up, which he supposed he did in order to put it into its sheath again, having no suspicion of his wicked design, and therefore not at all upon his guard to prevent it: so he smote him therewith in the fifth rib ; in the same place where Abner smote Asahel, and Joab Abner; See Gill on 2... read more
Matthew Henry's Complete Commentary - 2 Samuel 20:4-13
We have here Amasa's fall just as he began to rise. He was nephew to David (2 Sam. 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... read more