Matthew Henry on 2 Samuel 13:1-20
We have here a particular account of the abominable wickedness of Amnon in ravishing his sister, a subject not fit to be enlarged upon nor indeed to be mentioned without blushing, that ever any man should be so vile, especially that a son of David should be so. Amnon's character, we have reason to think, was bad in other things; if he had not forsaken God, he would never have been given up to these vile affections. Godly parents have often been afflicted with wicked children; grace does not run in the blood, but corruption does. We do not find that David's children imitated him in his devotion; but his false steps they trod in, and in those did much worse, and repented not. Parents know not…
Read the whole note in the consoleJamieson-Fausset-Brown on 2 Samuel 13:12
do not force me--The remonstrances and arguments of Tamar were so affecting and so strong, that had not Amnon been violently goaded on by the lustful passion of which he had become the slave, they must have prevailed with him to desist from his infamous purpose. In bidding him, however, "speak to the king, for he will not withhold me from thee," it is probable that she urged this as her last resource, saying anything she thought would please him, in order to escape for the present out of his hands.
Adam Clarke on 2 Samuel 13:12
Nay, my brother - There is something exceedingly tender and persuasive in this speech of Tamar; but Amnon was a mere brute, and it was all lost on him.
John Gill on 2 Samuel 13:12
And she answered him, nay, my brother,.... Which carried in it a reason sufficient for her denial, that he was her brother, and she his sister, and therefore should not offer such an indignity to her:
do not force me; which was another forbidding expression, signifying she would never freely yield to his will; and to force her, to defile her against her will, to commit a rape upon her, would be very criminal indeed:
for no such thing ought to be done in Israel; among God's professing people, who were better taught and instructed; and to give into such impure practices would bring a dishonour upon them, and upon the religion they professed; she urges the honour of religion, and the reputati…