“Noble deeds that are concealed are most esteemed.”

“When we wish to correct with advantage, and to show another that he errs, we must notice from what side he views the matter, for on that side it is usually true.”

“The war existing between the senses and reason.”

“Since we cannot know all that there is to be known about anything, we ought to know a little about everything.”

“All is one, all is different. How many natures exist in man? How many vocations? And by what chance does each man ordinarily choose what he has heard praised?”

“Nor age so eat up my invention.”

“Ideas are the very coinage of your brain.”

“Where art thou, Muse, that thou forget'st so long / To speak of that which gives thee all thy might?”