Said Rabbi Berechia: The Exodus from Egypt is comparable to a fat man who is riding on a donkey. The donkey longs: "O when will he get off me"; and he longs: "O when will I get off the donkey." As soon as he gets off, the man is happy and the donkey is happy. Still I do not know: who is the happier? [So the Psalmist proclaims:] "Egypt rejoiced when they went"