Deafness produces bizarre effects, reversing the natural order of things; the interchange of letters is the conversation of the deaf, and the only link with society. I would be in despair, for instance, over seeing you speak, but, instead, I am only too happy to hear you write.

Whoever plays deep must necessarily lose his money or his character.

There is not a more prudent maxim, than to live with one's enemies as if they may one day become one's friends; as it commonly happens, sooner or later, in the vicissitudes of political affairs.

Politicians neither love nor hate. Interest, not sentiment, directs them.

Mankind is made up of inconsistencies, and no man acts invariably up to his predominant character. The wisest man sometimes acts weakly, and the weakest sometimes wisely.

It is reported here that the King of Prussia has gone mad and has been locked up. There would be nothing bad about that: at leastthat might of his would no longer be a menace, and you could breathe freely for a while. I much prefer madmen who are locked up to those who are not.

Cultivate the habit of thinking ahead, and of anticipating the necessary and immediate consequences of all your actions.... Likewise in your pleasures, ask yourself what such and such an amusement leads to, as it is essential to have an objective in everything you do. Any pastime that contributes nothing to bodily strength or to mental alertness is a totally ridiculous, not to say, idiotic, pleasure.