"The man who says that all things are not possible to him is a fool."

"The pleasure which is sought after by the many is not true pleasure, but only the absence of pain."

"Pleasure is the beginning and the end of the blessed life."

"It is not so much our friends' help that helps us as the confident knowledge that they will help us."

"Of all the things which wisdom provides for the happiness of the whole life, by far the most important is the acquisition of friendship."