The temptations of God were always more dangerous for mankind than those of Satan.

We know that virtue does not matter to history, and that crimes remain unpunished; but that every error had its consequences and venges itself unto the seventh generation.

True creativity often starts where language ends.

As modern physics started with the Newtonian revolution, so modern philosophy starts with what one might call the Cartesian Catastrophe. The catastrophe consisted in the splitting up of the world into the realms of matter and mind, and the identification of 'mind' with conscious thinking. The result of this identification was the shallow rationalism of l' esprit Cartesien, and an impoverishment of psychology which it took three centuries to remedy even in part.

Snobbery is not merely a silly human weakness but something basic in the mentality of modern man-a symptom which reflects the general sickness, the dislocation of social and cultural values in contemporary civilization.

...the temptation, which consisted of a single word written on the cemetary of the defeated: Sleep.

Somebody once asked Niels Bohr why he had a horseshoe hanging above the front door of his house. Surely you, a world famous physicist, can't really believe that hanging a horseshoe above your door brings you luck? Of course not, Bohr replied, but I have been reliably informed that it will bring me luck whether I believe in it or not.