A discussion between Haldane and a friend began to take a predictable turn. The friend said with a sigh, 'It's no use going on. I know what you will say next, and I know what you will do next.' The distinguished scientist promptly sat down on the floor, turned two back somersaults, and returned to his seat. 'There,' he said with a smile. 'That's to prove that you're not always right.'
John B. S. HaldaneThe idea of protoplasm, which was really a name for our ignorance, [is] only a little less misleading than the expression "Vital force".
John B. S. HaldaneAnd if we must educate our poets and artists in science, we must educate our masters, labour and capital, in art.
John B. S. HaldaneBlake expressed some doubt as to whether God had made the tiger. But the tiger is in many ways an admirable animal. We have now to ask whether God made the tapeworm. And it is questionable whether an affirmative answer fits in either with what we know about the process of evolution or what many of us believe about the moral perfection of God.
John B. S. Haldane