In any closet, you can find it, if it is too small, or out of style, or there is just one of it where there should be two

Extreme hopes are born of extreme misery, and in such a world hopes could only be irrational.

The point of philosophy is to start with something so simple as not to seem worth stating, and to end with something so paradoxical that no one will believe it.

Not to be absolutely certain is, I think, one of the essential things in rationality.

A good man will never suspect his friends of shady actions: this is part of his goodness. A good man will never be suspected by the public of using his goodness to screen villains: this is part of his utility

The dictum that human nature cannot be changed is one of those tiresome platitudes that conceal from the ignorant the depths of their own ignorance.

A million million years gives us some time to prepare for the end . . . let us make the best of it.