Shimon ben Azzai noticed something strange about the Hebrew phrasing in the Torah's commandments. When Scripture says "heed, you shall heed" (Exodus 15:26), the doubling of the verb seems redundant. If "heed" is already written once, why repeat it?
Ben Azzai proposed that this doubling reveals a profound principle about human choice and divine response. One might assume that choosing to listen to God's word sets a person on a slow, gradual path toward obedience, with results arriving later. Similarly, choosing to forget God's teachings might lead to a slow drift away from wisdom. But the doubled language teaches otherwise.
The Torah also says "forget, you shall forget" (Deuteronomy 8:19), using the same doubled construction. Ben Azzai read both phrases as statements about immediacy. If a person decides to heed God's word, heaven responds at once, opening the doors of understanding immediately, not after some waiting period. And if a person chooses to forget, that too takes effect right away. The knowledge slips from his grasp the moment he turns from it.
This teaching from the Mekhilta DeRabbi Yishmael carries a startling implication. There is no neutral ground and no grace period. Every moment of decision produces an immediate spiritual consequence. Heaven does not wait to see if you are serious. The instant you choose, the path opens or closes before you.