Science deals exclusively with things as they are in themselves.

It does not matter what the whip is; it is none the less a whip, because you have cut thongs for it out of your own souls.

Men don't and can't live by exchanging articles, but by producing them. They don't live by trade, but by work. Give up that foolish and vain title of Trades Unions; and take that of laborers Unions.

Music when healthy, is the teacher of perfect order, and when depraved, the teacher of perfect disorder.

What is poetry? The suggestion, by the imagination, of noble grounds for the noble emotions.

A little thought and a little kindness are often worth more than a great deal of money.

If the thing is impossible, you need not trouble yourselves about it; if possible, try for it.