Jamieson, Fausset & Brown

Wandereth in anxious search for bread. Famine in Old Testament depicts sore need (Isa 5:13). Contrast the pious man's lot (Job 5:20-22). knoweth--has the firm conviction. Contrast the same word applied to the pious (Job 5:24-25). ready at his hand--an Arabic phrase to denote a thing's complete readiness and full presence, as if in the hand.