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 the greatest and most terrible of the passions. These are the wreckers of outworn empires and civilisations, doubters, disintegrators, deicides.

If one could conclude as to the nature of the Creator from a study of creation it would appear that God has an inordinate fondness for stars and beetles.

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

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.

A fairly bright boy is far more intelligent and far better company than the average adult.

There is no great invention, from fire to flying, which has not been hailed as an insult to some god.

A time will however come (as I believe) when physiology will invade and destroy mathematical physics, as the latter has destroyed geometry.