That life is worth living is the most necessary of assumptions, and were it not assumed, the most impossible of conclusions.

Nietzsche said that the earth has been a madhouse long enough. Without contradicting him we might perhaps soften the expression, and say that philosophy has been long enough an asylum for enthusiasts.

Religion is the natural reaction of the imagination when confronted by the difficulties in a truculent world.

It is a great advantage for a system of philosophy to be substantially true.

Even the most inspired verse, which boasts not without a relative justification to be immortal, becomes in the course of ages a scarcely legible hieroglyphic; the language it was written in dies, a learned education and an imaginative effort are requisite to catch even a vestige of its original force. Nothing is so irrevocable as mind.

The one who does not remember history is bound to live through it again

For an idea ever to be fashionable is ominous, since it must afterwards be always old fashioned