You shall say, It is the sacrifice of mercy before the Lord, who had mercy in His Word upon the houses of the sons of Israel in Mizraim, when He destroyed the Mizraee, and spared our houses. And when the house of Israel heard this word from the mouth of Mosheh, they bowed and worshipped.
Why Passover Is Called the Sacrifice of Mercy
Targum Pseudo-Jonathan on Exodus 12:27