What would life be without arithmetic, but a scene of horrors?

Among the smaller duties of life I hardly know any one more important than that of not praising where praise is not due.

Lucy, dear child, mind your arithmetic. You know in the first sum of yours I ever saw there was a mistake. You had carried two (as a cab is licensed to do), and you ought, dear Lucy, to have carried but one. Is this a trifle? What would life be without arithmetic, but a scene of horrors.

When I hear any man talk of an unalterable law, the only effect it produces on me is to convince me that he is an unalterable fool

Great men hallow a whole people, and lift up all who live in their time.

Whatever you are by nature, keep to it; never desert your line of talent. Be what nature intended you for, and you will succeed.

I look upon Switzerland as an inferior sort of Scotland.