An ounce of algebra is worth a ton of verbal argument..

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 ….

We do not know, in most cases, how far social failure and success are due to heredity, and how far to environment. But environment is the easier of t….

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….

Capitalism, though it may not always give the scientific worker a living wage, will always protect him, as being one of the geese which produce golde….

Christianity is haunted by the theory of a God with a craving for bloody sacrifices..

Reality is the cage of those who lack imagination..

The conservative has but little to fear from the man whose reason is the servant of his passions, but let him beware of him in whom reason has become….

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

Haldane was engaged in discussion with an eminent theologian. "What inference," asked the latter, "might one draw about the nature of God from a stud….

[Children] are taught that it is a virtue to accept statements without adequate evidence, which leaves them a prey to quacks of every kind in later l….

The Creator would appear as endowed with a passion for stars, on the one hand, and for beetles on the other, for the simple reason that there are nea….

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

Science is vastly more stimulating to the imagination than the classics..

Man armed with science is like a baby with a box of matches..

Teleology is like a mistress to a biologist: he cannot live without her but he's unwilling to be seen with her in public..

This is my prediction for the future: Whatever hasn't happened will happen, and no one will be safe from it..

I have come to the conclusion that my subjective account of my motivation is largely mythical on almost all occasions. I don't know why I do things..

I suppose the process of acceptance will pass through the usual four stages: (i) this is worthless nonsense; (ii) this is an interesting, but pervers….

The conclusion forced upon me in the course of a life devoted to natural science is that the universe as it is assumed to be in physical science is o….

I have no doubt that in reality the future will be vastly more surprising than anything I can imagine. Now my own suspicion is that the Universe is n….