For as long as the son of Jesse lives on the earth, neither you nor your kingdom shall be established. Therefore send and bring him to me, for he shall surely die.”
Jonathan is here effectually convinced of that which he was so loth to believe, that his father had an implacable enmity to David, and would certainly be the death of him if it were in his power; and he had like to have paid very dearly himself for the conviction. I. David is missed from the feast on the first day, but nothing is said of him.
Commenting on 1 Samuel 20:24-34
For as long as the son of Jesse liveth upon the ground, thou shalt not be established, nor thy kingdom,.... He would not, though heir to the crown, be sure of it; it would be precarious to him, he would be in great danger of being deprived of it on the death of his father; and therefore it would be his highest wisdom to deliver...
1Sa 20:30-31 Saul was greatly enraged at this, and said to Jonathan, “Son of a perverse woman (נעות is a participle, Niph. fem. from עוה) of rebellion,” - i.e., son of a perverse and rebellious woman (an insult offered to the mother, and therefore so much the greater to the son), hence the meaning really is, “Thou perverse, rebellious fellow,” - “do I not know...
Commenting on 1 Samuel 20:30-31