A female friend, amiable, clever, and devoted, is a possession more valuable than parks and palaces; and without such a muse, few men can succeed in life, none be contented.
If you're not very clever you should be conciliatory.
Never apologize for showing feeling. When you do so, you apologize for the truth.
Nine-tenths of the existing books are nonsense and the clever books are the refutation of that nonsense.