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 in my brain I have no reason to suppose that my beliefs are true. They may be sound chemically, but that does not make them sound logically. And hence I have no reason for supposing my brain to be composed of atoms.
John B. S. HaldaneI 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. HaldaneThe 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 as art-forms.
John B. S. HaldaneA time will however come (as I believe) when physiology will invade and destroy mathematical physics, as the latter has destroyed geometry.
John B. S. Haldane