...two thirds of all sorrow is homemade and, so far as the universe is concerned, unnecessary.

The natural rhythm of human life is routine punctuated by orgies.

Which is better: to have fun with fungi or to have Idiocy with ideology, to have wars because of words, to have tomorrow's misdeeds out of yesterday's miscreeds?

Religion is always a patron of the arts, but its taste is by no means impeccable.

I don't think there is any incompatibility between science and mysticism . . . Immanent religion is the only form of religion in which there is no conflict at all, that I can see, between science and religion.

Assembled in a crowd, people lose their powers of reasoning and their capacity for moral choice.

Today we are faced, I think, with the approach of what may be called the ultimate revolution, the final revolution, where man can act directly on the mind-body of his fellows.