With so many thousand joys, is it not black ingratitude to call the world a place of sorrow and torment?
Has it never occurred to us, when surrounded by sorrows, that they may be sent to us only for our instruction, as we darken the eyes of birds when we wish them to sing?
For sleep, riches and health to be truly enjoyed and gratefully appreciated, they must be interrupted so the person can see that not having them is not as good as having them.