“The lover of truth who is truthful even when nothing is at stake will be keener to tell the truth when something is at stake.”
More from Aristotle
“It is the mark of an educated man to look for precision in each class of things just so…”
“Character is determined by choice, not opinion.”
“We cannot learn without pain.”
“What prompts us to action is desire; and desire has three forms—appetite, passion, wish.”