Love cannot exists as a duty; to tell a child that it ought to love its parents and its brother and sisters is utterly useless, if not worse.

The happy life is to an extraordinary extent the same as the good life.

The newspapers at one time said that I was dead but after carefully examining the evidence I came to the conclusion that this statement was false.

The coward wretch whose hand and heart Can bear to torture aught below, Is ever first to quail and start From the slightest pain or equal foe.

Mathematics, rightly viewed, possesses not only truth, but supreme beauty a beauty cold and austere, like that of sculpture, without appeal to any part of our weaker nature, without the georgeous trappings of painting or music, yet sublimely pure, and capable of a stern perfection such as only the greatest art can show. The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.

What the world needs is not dogma but an attitude of scientific inquiry.

We have almost reached the point where praise of rationality is held to mark a man as an old fogey regrettably surviving from a bygone age.