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.

Behind their dark glass, the mad own nothing.

To every separate person a thing is what he thinks it is – in other words, not a thing, but a think.

I believe that people should write biographies only about people they love, or understand, or both. Novels, on the other hand, are often better if they're about people the writer doesn't like very much.

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.

Morality is seldom a safe guide for human conduct.