Vain is the word of a philosopher which does not heal any suffering of man. For just as there is no profit in medicine if it does not expel the diseases of the body, so there is no profit in philosophy either, if it does not expel the suffering of the mind.

Nothing is enough for the man to whom enough is too little.

It is vain to ask of the gods what man is capable of supplying for himself.

Is God willing to prevent evil, but not able? Then he is not omnipotent. Is he able, but not willing? Then he is malevolent. Is he both able and willing? Then whence cometh evil? Is he neither able nor willing? Then why call him God?

The fool’s life is empty of gratitude and full of fears; its course lies wholly toward the future.

Of all the means to insure happiness throughout the whole life, by far the most important is the acquisition of friends.

Of all the gifts that wise Providence grants us to make life full and happy, friendship is the most beautiful.