We should often blush at our noblest deeds if the world were to see all their underlying motives.

All the passions are nothing else than different degrees of heat and cold of the blood.

Though nature be ever so generous, yet can she not make a hero alone. Fortune must contribute her part too; and till both concur, the work cannot be perfected.

Weakness is the only fault that is incorrigible.

The only thing constant in life is change

Sometimes there is equal or more ability in knowing how to use good advice than there is in giving it.

The principal point of cleverness is to know how to value things just as they deserve.