When we have told how things behave when they are electrified, and under what circumstances they are electrified, we have told all there is to know

At all times, except when a monarch could enforce his will, war has been facilitated by the fact that vigorous males, confident of victory, enjoyed it, while their females admired them for their prowess.

There is no nonsense so errant that it cannot be made the creed of the vast majority by adequate governmental action.

In the visible world, the Milky Way is a tiny fragment; within this fragment, the solar system is an infinitesimal speck, and of this speck our planet is a microscopic dot. On this dot, tiny lumps of impure carbon and water, of complicated structure, with somewhat unusual physical and chemical properties, crawl about for a few years, until they are dissolved again into the elements of which they are compounded.

Obscenity is whatever happens to shock some elderly and ignorant magistrate.

The human race may well become extinct before the end of the century.

Philosophy, though unable to tell us with certainty what is the true answer to the doubts which it raises, is able to suggest many possibilities which enlarge our thoughts and free them from the tyranny of custom.