Would I lay down my life to save my brother? No, but I would to save two brothers or eight cousins.
John B. S. HaldaneIn fact, words are well adapted for description and the arousing of emotion, but for many kinds of precise thought other symbols are much better.
John B. S. HaldaneIf 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.
John B. S. Haldane