Shelley and Keats were the last English poets who were at all up to date in their chemical knowledge.

Science affects the average man and woman in two ways already. He or she benefits by its application driving a motor-car or omnibus instead of a horse-drawn vehicle, being treated for disease by a doctor or surgeon rather than a witch, and being killed with an automatic pistol or shell in place of a dagger or a battle-axe.

You can drop a mouse down a thousand-yard mine shaft and, on arriving at the bottom, it gets a slight shock and walks away. A rat would probably be killed, though it can fall safely from the eleventh story of a building, a man is broken, a horse splashes.

Until politics are a branch of science, we shall do well to regard political and social reforms as experiments rather than short-cuts to the millennium.

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

In fact, words are well adapted for description and the arousing of emotion, but for many kinds of precise thought other symbols are much better.

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