A malicious enemy is better than a clumsy friend.
There are two ways of attaining an important end, force and perseverance; the silent power of the latter grows irresistible with time.
Happiness and Virtue clasp hands and walk together.
By becoming unhappy, we sometimes learn how to be less so.
Youth should be a savings bank.
Truth only is prolific. Error, sterile in itself, produces only by means of the portion of truth which it contains. It may have offspring, but the life which it gives, like that of the hybrid races, cannot be transmitted.