I do not want to make my stomach a graveyard of dead animals.

Effectiveness of assertion is the alpha and omega of style.

What right has any human being to talk of bringing up a child? You do not bring up a tree or a plant. It brings itself up. You have to give it a fair chance by tilling the soil.

Men get tired of everything, of heaven no less than of hell; and that all history is nothing but a record of the oscillations of the world between these two extremes. An epoch is but a swing of the pendulum; and each generation thinks the world is progressing because it is always moving.

We have no more right to consume happiness without producing it than to consume wealth without producing it.

For the pre-Darwinian age had come to be regarded as a Dark Age in which men still believed that the book of Genesis was a standard scientific treatise, and that the only additions to it were Galileo'a demonstration of Leonardo da Vinci's simple remark that the earth is a moon of the sun, Sir Humphrey Davy's invention of the safety lamp, the discovery of electricity, the application of steam to industrial purposes, and the penny post.

I dislike feeling at home when I am abroad.