Characters do not change. Opinions alter, but characters are only developed.

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.

You must originate, and you must sympathize; yon must possess, at the same time, the habit of communicating and the habit of listening. The union is rather rare, but irresistible.

The governments of the present day have to deal not merely with other governments, with emperors, kings and ministers, but also with the secret societies which have everywhere their unscrupulous agents, and can at the last moment upset all the governments' plans.

I do not like giving advice: it is incurring an unnecessary responsibility.

Characters do not change. Opinions alter, but characters are only developed.

No one for a moment can pretend that printing is so great a discovery as writing, or algebra as a language.