The woman who follows the crowd will usually believe that I said this.

The distinction between the past, present and future is only a stubbornly persistent illusion.

The history of scientific and technical discovery teaches us that the human race is poor in independent and creative imagination. Even when the external and scientific requirements for the birth of an idea have long been there, it generally needs an external stimulus to make it actually happen; man has, so to speak, to stumble right up against the thing before the idea comes.

Conventional words or other signs have to be sought for laboriously only in a second stage, where the associative play already referred to is sufficiently established and can be reproduced at will.

I am of the opinion that all the finer speculations in the realm of science spring from a deep religious feeling, and that without such feeling they would not be fruitful.

Nuclear power is one hell of a way to boil water

What is essential in the life of a man of my kind is what he thinks and how he thinks, and not what he does or suffers.