Genius cannot escape the taint of its time more than a child the influence of its begetting.

[On Christianity:] Its lip-service and its empty rites have made it the easiest of all tasks for the usurer to cloak his cruelties, the miser to hide his avarice, the lawyer to condone his lies, the sinner of all social sins to purchase the social immunity from them by outward deference to churches.

The loss of our illusions is the only loss from which we never recover.

A man may be a great statesman, and yet dislike his wife, and like somebody else's. A man may be a great hero, and yet he may have an unseemly passion, or an unpaid tailor. But the British public does not understand this. ... It thinks, unhappily or happily as you may choose to consider, that genius should keep the whole ten commandments. Now, genius is conspicuous for breaking them.

There is no knife that cuts so sharply and with such poisoned blade as treachery.

Excess always carries its own retribution.

Love, the one supreme, unceasing source of human felicity, the one sole joy which lifts the whole mortal existence into the empyrean, was by it [Christianity] degraded into the mere mechanical action of reproduction.