I think middle-age is the best time, if we can escape the fatty degeneration of the conscience which often sets in at about fifty.

A nation is a society united by a delusion about its ancestry and by common hatred of its neighbours.

In praising science, it does not follow that we must adopt the very poor philosophies which scientific men have constructed. In philosophy they have much more to learn than to teach.

All human love is a holy thing, the holiest thing in our experience.

Nobody is bored when he is trying to make something that is beautiful or to discover something that is true.

To become a popular religion, it is only necessary for a superstition to enslave a philosophy.

The object of studying philosophy is to know one's own mind, not other peoples.