A body seriously out of equilibrium, either with itself or with its environment, perishes outright. Not so a mind. Madness and suffering can set themselves no limit.

The line between what is known scientifically and what has to be assumed in order to support knowledge is impossible to draw. Memory itself is an internal rumour.

If pain could have cured us we should long ago have been saved.

The fact of having been born is a bad augury for immortality.

It would hardly be possible to exaggerate man's wretchedness if it were not so easy to overestimate his sensibility

The Difficult is that which can be done immediately; the Impossible that which takes a little longer.

Nature drives with a loose rein and vitality of any sort can blunder through many a predicament in which reason would despair.