Quantitative work shows clearly that natural selection is a reality, and that, among other things, it selects Mendelian genes, which are known to be distributed at random through wild populations, and to follow the laws of chance in their distribution… — John B. S. Haldane Copy Share Image
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… — John B. S. Haldane Copy Share Image
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… — John B. S. Haldane Copy Share Image
Shelley and Keats were the last English poets who were at all up to date in their chemical knowledge. — John B. S. Haldane Copy Share Image
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.… — John B. S. Haldane Copy Share Image
The extreme socialists desire to run every nation as a single business concern. — John B. S. Haldane Copy Share Image
To the biologist the problem of socialism appears largely as a problem of size. — John B. S. Haldane Copy Share Image
A fairly bright boy is far more intelligent and far better company than the average adult. — John B. S. Haldane Copy Share Image
Capitalism, though it may not always give the scientific worker a living wage, will always protect him, as being one of the geese which… — John B. S. Haldane Copy Share Image
There are 400,000 species of beetles on this planet, but only 8,000 species of mammals. — John B. S. Haldane Copy Share Image
There is no great invention, from fire to flying, which has not been hailed as an insult to some god. — John B. S. Haldane Copy Share Image
Science is vastly more stimulating to the imagination than the classics. — John B. S. Haldane Copy Share Image
