I will give up my belief in evolution if someone finds a fossil rabbit in the Precambrian.

It seems to me immensely unlikely that mind is a mere by-product of matter. For if my mental processes are determined wholly by the motions of atoms in my brain I have no reason to suppose that my beliefs are true. They may be sound chemically, but that does not make them sound logically. And hence I have no reason for supposing my brain to be composed of atoms.

The wise man regulates his conduct by the theories both of religion and science. But he regards these theories not as statements of ultimate fact but as art-forms.

My final word, before I'm done, Is "Cancer can be rather fun"- Provided one confronts the tumour with a sufficient sense of humour. I know that cancer often kills, But so do cars and sleeping pills; And it can hurt till one sweats, So can bad teeth and unpaid debts. A spot of laughter, I am sure, Often accelerates one's cure; So let us patients do our bit To help the surgeons make us fit.

In fact, words are well adapted for description and the arousing of emotion, but for many kinds of precise thought other symbols are much better.

And if we must educate our poets and artists in science, we must educate our masters, labour and capital, in art.

It was a reaction from the old idea of "protoplasm", a name which was a mere repository of ignorance.