"If you want to be a man of honour, you must be a man of honour. If you want to be a good man, you must be a good man. If you want to be a wise man, you must be a wise man. If you want to be a fool, yo…"

"Other people's views and troubles can be contagious. Don't sabotage yourself by unwittingly adopting negative, unproductive attitudes through your associations with others."

"The essence of philosophy is to put up with things."

"When you have done good and received good, why do you look for any other reward?"

"What would it be like to be a sheep? To have no reason, no sense of shame, to be driven by instinct alone? It would be terrible, wouldn't it?"