The Egyptians, who had suffered greatly from the ten plagues that Gd had brought upon them, were very happy when the Israelites got permission to leave their land. This is like a heavy man riding on a donkey. The donkey, who has a heavy burden laid on him, can’t wait for the man to get off him. The man, for whom the riding is difficult, also can’t wait to get down from the donkey. And when he comes to the place to get down, the man is happy and the donkey, whose burden is lightened, is even more happy. So it was also with the Jews and the Egyptians. The ten plagues were hard for them, and oppressed them greatly and they couldn’t wait for the Jews to leave their land and for their troubles to cease. The Jews also hoped every day for their liberation, and when the hoped-for day arrived, the Jews rejoiced and the Egyptians rejoiced even more, since the decree of the plagues was lifted.
In order to facilitate the departure of the Jews, the Egyptians didn’t even bury their dead from the plague of the first-born, but helped the Jews gather up their belongings and load them on their donkeys and camels. Also, the Egyptians gave the Jews many gifts, herds of cattle and sheep, silver and gold and asked them to leave Egypt quickly and blessed their departure that their first-borns would no longer die.
Gd’s joy was not complete when his people left Egypt, because he remembered the people of the Tribe of Ephraim who had been killed some years back when they thought that the time of the redemption had come and they left Egypt without Gd’s supervision, so they were killed as they happened on the land of Palestine, which is on the border of the land of Israel.
There’s an exemplary story of a king who marries off his son with exceeding joy until suddenly they tell him that another one of his sons has died. For the king it was so difficult to be happy on the day of the wedding and at the same time, to mourn the death his other son. So too was Gd’s joy at the liberation of his children mixed with sadness about the death of another group of his children.
