Psalms 34:1

The title of this psalm tells us both who penned it and upon what occasion it was penned. David, being forced to flee from his country, which was made too hot for him by the rage of Saul, sought shelter as near it as he could, in the land of the Philistines. There it was soon discovered who he was, and he was brought before the king, who, in the narrative, is called Achish (his proper name), here Abimelech (his title); and lest he should be treated as a spy, or one that came thither upon design, he feigned himself to be a madman (such there have been in every age, that even by idiots men might be taught to give God thanks for the use of their reason), that Achish might dismiss him as a contemptible man, rather than take cognizance of him as a dangerous man. And it had the effect he desired; by this stratagem he escaped the hand that otherwise would have handled him roughly. Now, 1. We cannot justify David in this dissimulation. It ill became an honest man to feign himself to be what he was not, and a man of honour to feign himself to be a fool and a mad-man. If, in sport, we mimic those who have not so good an understanding as we think we have, we forget that God might have made their case ours. 2.

— Matthew Henry's Concise Commentary (public domain)