The magic of first love is our ignorance that it can ever end.

It is knowledge that influences and equalizes the social condition of man; that gives to all, however different their political position, passions which are in common, and enjoyments which are universal.

The secret of success is constancy to purpose.

The wisdom of the wise, and the experience of ages, may be preserved by quotation.

Great services are not canceled by one act or by one single error.

What we anticipate seldom occurs; what we least expected generally happens.

Cleanliness and order are not matters of instinct; they are matters of education, and like most great things, you must cultivate a taste for them.

The best way to become acquainted with a subject is to write a book about it.

When men are pure, laws are useless; when men are corrupt, laws are broken.

I feel a very unusual sensation - if it is not indigestion, I think it must be gratitude.