The fact that a belief has a good moral effect upon a man is no evidence whatsoever in favor of its truth. - Bertrand Russell

The old often envy the young; when they do, they are apt to treat them cruelly.

In the visible world, the Milky Way is a tiny fragment; within this fragment, the solar system is an infinitesimal speck, and of this speck our planet is a microscopic dot. On this dot, tiny lumps of impure carbon and water, of complicated structure, with somewhat unusual physical and chemical properties, crawl about for a few years, until they are dissolved again into the elements of which they are compounded. They divide their time between labour designed to postpone the moment of dissolution for themselves and frantic struggles to hasten it for others of their kind.

هرگز حاضر نیستم به خاطر عقایدم بمیرم ، چرا که ممکن است عقایدم اشتباه باشند .