An unjust punishment is never forgotten.

Behind their dark glass, the mad own nothing.

If they don't depend on true evidence, scientists are no better than gossips.

More than that, I believe that the grass is green because green is restful to the human eye, that the sky is blue to give us an idea of the infinite. And that blood is red so that murder will be more easily detected and criminals will be brought to justice. Yes, and I believe that I shall live forever, but I shall live without reason.

It's very good for an idea to be commonplace. The important thing is that a new idea should develop out of what is already there so that it soon becomes an old acquaintance. Old acquaintances aren't by any means always welcome, but at least one can't be mistaken as to who or what they are.

Experiences aren't given to us to be 'got over,' otherwise they would hardly be experiences.

On the whole, I think you should write biographies of those you admire and respect, and novels about human beings who you think are sadly mistaken.