It is a great misfortune to be of use to nobody; scarcely less to be of use to everybody.
Yes and no are soon said, but give much to think over.
Politeness and a sense of honor have this advantage: we bestow them on others without losing a thing.
Hope has a good memory, gratitude a bad one.
The things we remember best are those better forgotten.
If to talk to oneself when alone is folly, it must be doubly unwise to listen to oneself in the presence of others.