To substitute judgments of fact for judgments of value is a sign of pedantic and borrowed criticism.

Christianity persecuted, tortured, and burned. Like a hound it tracked the very scent of heresy. It kindled wars, and nursed furious hatreds and ambitions. It sanctified, quite like Mohammedism, extermination and tyranny. All this would have been impossible if, like Buddhism, it had looked only for peace and the liberation of souls. It looked beyond; it dreamt of infinite blisses and crowns it should be crowned with before an electrified universe and an applauding God... Buddhism had tried to quiet a sick world with anesthetics; Christianity sought to purge it with fire.

Sanity is madness put to good use.

The diseases which destroy a man are no less natural than the instincts which preserve him.

The living have never shown me how to live.

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.

To most people, I fancy, the stars are beautiful; but if you asked why, they would be at a loss to reply, until they remembered what they had heard about astronomy, and the great size and distance and possible habitation of those orbs. ... [We] persuade ourselves that the power of the starry heavens lies in the suggestion of astronomical facts.