We must learn not to take traditional morals too seriously. And it is just because even the least dogmatic of religions tends to associate itself with some kind of unalterable moral tradition, that there can be no truce between science and religion.

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

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 golden eggs for its table.

And if we must educate our poets and artists in science, we must educate our masters, labour and capital, in art.

I think, however, that so long as our present economic and national systems continue, scientific research has little to fear.

An attempt to study the evolution of living organisms without reference to cytology would be as futile as an account of stellar evolution which ignored spectroscopy.

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