Rabbi Elazar ben Azaryah, one of the most prominent Tannaitic sages, made a bold claim about why God chose to liberate Israel from Egypt. It was not because of anything the enslaved generation had done. It was not their prayers, their suffering, or their righteousness. It was because of the merit of one man who had lived centuries earlier: their forefather Abraham.
The proof comes from (Psalms 105:42-43): "For He remembered His sacred word to Abraham His servant, and He took out His people in gladness, His chosen ones in song." The verse links two actions with a causal chain — remembering the promise to Abraham led directly to taking the people out of Egypt.
This concept is known in rabbinic thought as zekhut avot, the merit of the ancestors. It holds that the righteous deeds of the patriarchs create a spiritual account that their descendants can draw upon in times of need. Abraham's faith, his willingness to leave his homeland at God's command, his binding of Isaac on Mount Moriah — these acts accumulated a merit so vast that it could fund the redemption of an entire nation generations later.
The teaching carries a humbling implication. The generation that left Egypt did not earn their freedom. They inherited it. The Exodus was not a reward for the present but a fulfillment of a promise made to the past. God freed Israel because He remembered Abraham.