It is not the answer that enlightens, but the question.

I thought that it was strange to assume that it was abnormal for anyone to be forever asking questions about the nature of the universe, about what the human c…

It isn't what people think that's important, but the reason they think what they think.

But History was against me. History is right, objectively speaking. I'm just a historical dead end. I hope at least that my fate will serve as an example to yo…

But let a man know that there are things to be known, of which he is ignorant, and it is so much carved out of his domain of universal knowledge.

It is better to ask some of the questions than to know all the answers.

It is better of course to know useless things than to know nothing.