A vain man finds his account in speaking good or evil of himself.
The same vices which are huge and insupportable in others we do not feel in ourselves.
It is a sad thing when men have neither enough intelligence to speak well nor enough sense to hold their tongues; this is the root of all impertinence.
Logic is the technique by which we add conviction to truth.
Born merely for the purpose of digestion.
The shortest and best way to make your fortune is to let people see clearly that it is in their interest to promote yours.