“Some men are just as sure of the truth of their opinions as are others of what they know.”

“Yes the truth is that men's ambition and their desire to make money are among the most frequent causes of deliberate acts of injustice.”

“Melancholy men, of all others, are the most witty.”

“Since the branch of philosophy on which we are at present engaged differs from the others in not being a subject of merely intellectual interest — I mean we are not concerned to know what goodness essentially is, but how we are to become good men, for this alone gives the study its practical value — we must apply our minds to the solution of the problems of conduct. ”

“All men by nature desire to know.”

“With the truth, all given facts harmonize; but with what is false, the truth soon hits a wrong note.”

“bad men... aim at getting more than their share of advantages, while in labor and public service they fall short of their share; and each man wishing for advantage to himself criticizes his neighbor and stands in his way; for if people do not watch it carefully the common weal is soon destroyed. The result is that they are in a state of faction, putting compulsion on each other but unwilling themselves to do what is just.”