The most wonderful and the strongest things in the world, you know, are just the things which no one can see.

Give me something huge to fight, — and I should enjoy that — but why make me sweep the dust?

A garden, sir, wherein all rainbows and flowers were heaped together.

Do noble things, not dream them all day long: And so make Life, Death, and the vast Forever one grand, sweet song.

I hope that my children, at least, if not I myself, will see the day when ignorance of the primary laws and facts of science will be looked upon as a defect only second to ignorance of the primary laws of religion and morality.

You must not talk about 'ain't and can't' when you speak of this great wonderful world round you, of which the wisest man knows only the very smallest corner, and is, as the great Sir Isaac Newton said, only a child picking up pebbles on the shore of a boundless ocean.

For men must work and women must weep, And the sooner it's over, the sooner to sleep.