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

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.

Misfortune seldom intrudes upon the wise man; his greatest and highest interests are directed by reason throughout the course of life.

Any man who does not think that what he has is more than ample, is an unhappy man, even if he is the master of the whole world.

What men fear is not that death is annihilation but that it is not.

It is impossible to live a pleasant life without living wisely and honorably and justly, and it is impossible to live wisely and honorably and justly without living pleasantly. Whenever any one of these is lacking, when, for instance, the man is not able to live wisely, though he lives honorably and justly, it is impossible for him to live a pleasant life.

Man was not intended by nature to live in communities and be civilized.

There is nothing terrible in life for the man who realizes there is nothing terrible in death.

A man who causes fear cannot be free from fear.