Flying. Whatever any other organism has been able to do man should surely be able to do also, though he may go a different way about it.

Arguments are like fire-arms which a man may keep at home but should not carry about with him.

He dons are too busy educating the young men to be able to teach them anything.

When people talk of atoms obeying fixed laws, they are either ascribing some kind of intelligence and free will to atoms or they are talking nonsense. There is no obedience unless there is at any rate a potentiality of disobeying.

Our own death is a premium which we must pay for the far greater benefit we have derived from the fact that so many people have not only lived but also died before us.

I am the enfant terrible of literature and science. If I cannot, and I know I cannot, get the literary and scientific bigwigs to give me a shilling, I can, and I know I can, heave bricks into the middle of them.

When the water of a place is bad it is safest to drink none that has not been filtered through either the berry of a grape, or else a tub of malt. These are the most reliable filters yet invented.