Endless conflicts. Endless misunderstanding. All life is that. Great and little cannot understand one another.

In the middle years of the nineteenth century there first became abundant in this strange world of ours a class of men, men tending for the most part to become elderly, who are called, and who are very properly called, but who dislike extremely to be called--"Scientists.

The brain upon which my experiences have been written is not a particularly good one. If their were brain-shows, as there are cat and dog shows, I doubt if it would get even a third class prize.

One of the darkest evils of our world is surely the unteachable wildness of the Good.

Biologists can be just as sensitive to heresy as theologians.

Crime and bad lives are the measure of a State's failure, all crime in the end is the crime of the community.

The Athenian democracy suffered much from that narrowness of patriotism which is the ruin of all nations.