You should rather suppose that those are involved in worthwhile duties who wish to have daily as their closest friends Zeno, Pythagoras, Democritus and all the other high priests of liberal studies, and Aristotle and Theophrastus. None of these will be too busy to see you, none of these will not send his visitor away happier and more devoted to himself, none of these will allow anyone to depart empty-handed. They are at home to all mortals by night and by day.
Seneca the YoungerChoose as a guide one whom you will admire more when you see him act than when you hear him speak.
Seneca the YoungerThere are a few men whom slavery holds fast, but there are many more who hold fast to slavery.
Seneca the YoungerConsider, when you are enraged at any one, what you would probably think if he should die during the dispute.
Seneca the Younger