Then David said in his heart, “Now I shall perish one day by the hand of Saul. There is nothing better for me than that I should escape to the land of the Philistines. Then Saul will despair of seeking me any longer within the borders of Israel, and I shall escape out of his hand.”
Here is, I. The prevalency of David's fear, which was the effect of the weakness of his faith (Sa1 27:1): He said to his heart (so it may be read), in his communings with it concerning his present condition, I shall now perish one day by the hand of Saul.
Commenting on 1 Samuel 27:1-7
And David said in his heart,.... Within himself, and to himself; while he was pondering things in his own mind, and considering the circumstances in which he was, and things appearing, very gloomy to him, he falls into a fit of unbelief and thus addresses himself: I shall now one day perish by the hand of Saul; for though he was returned to his place...
And David said in his heart, I shall now perish one day by the hand of Saul: [there is] nothing better for me than that I should speedily escape into the land of the Philistines; and Saul shall despair of me, to seek me any more in any coast of Israel: so shall I escape out of his hand.