R. Yehoshua says: "and you shall eat in haste": This is the haste of Israel. You say this. But perhaps it is the haste of the Egyptians? (Exodus 12:39) already speaks of the haste of the Egyptians. How, then, am I to understand "in haste"? As referring to the haste of the Jews.
In His Reading, the Haste of the Passover Meal Belongs
Mekhilta Tractate Pischa 7:3