The Torah describes a strange scene during the battle against Amalek: "When Moses lifted his hand, Israel prevailed; and when he lowered his hand, Amalek prevailed" (Exodus 17:11). The Mekhilta immediately challenges the obvious reading. Do the hands of Moses really have the power to strengthen an army or break an enemy?
The answer is no — and yes. Moses' physical hands did not possess magical force. But when Moses raised his hand toward heaven, the Israelite soldiers on the battlefield looked up and saw it. That upward gesture directed their eyes and their thoughts toward God. They "gazed at it and affirmed their faith in Him who commanded Moses to do thus."
The mechanism was not sorcery but focus. Moses' raised hand served as a visual anchor for the entire army's faith. When they saw the hand lifted high, they remembered who was truly fighting for them, and their confidence surged. When the hand dropped — when the visual reminder disappeared — they forgot, and they faltered.
The Holy One Blessed be He then "wrought for them miracles and mighty acts." The miracles did not flow from Moses' hand but from the faith that his gesture inspired. Moses was not casting a spell. He was directing attention. The Mekhilta strips the scene of any hint of magic and replaces it with something more powerful: the idea that a single visible act of faith can channel divine salvation for an entire nation.