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.

- John B. S. Haldane

[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…

- John B. S. Haldane

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

- John B. S. Haldane

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

- John B. S. Haldane

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…

- John B. S. Haldane

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…

- John B. S. Haldane

Would I lay down my life to save my brother? No, but I would to save two brothers or eight cousins.

- John B. S. Haldane

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 …

- John B. S. Haldane

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

- John B. S. Haldane