If materialism is true, it seems to me that we cannot know that it is true. If my opinions are the result of the chemical processes going on in my brain, they are determined by the laws of chemistry, not those of logic.

So far from being an isolated phenomenon the late war is only an example of the disruptive result that we may constantly expect from the progress of science.

I think, however, that so long as our present economic and national systems continue, scientific research has little to fear.

There is no great invention, from fire to flying, which has not been hailed as an insult to some god.

Shelley and Keats were the last English poets who were at all up to date in their chemical knowledge.

Money can buy a fine dog but it is kindness that makes him wag his tail.

I will jump into the river to save two brothers or eight cousins.