"We must not violate nature, but obey her. And we shall obey her if we fulfill the necessary desires and also the natural, if they bring no harm, but sternly reject the harmful."

"The wise man is not disturbed by the absence of friends, but by the absence of virtue."

"The limit of a pleasant life is not exceeded by him who has put an end to the pain of want and has arranged his life to be safe from all disturbance."

"Death is nothing to us; for that which is dissolved is without sensation, and that which lacks sensation is nothing to us."

"Against all things it is possible to provide security, but as against death we all live in an unwalled city."