“And the quality of good judgement is clearly a form of knowledge and skill, as it is because of knowledge and not because of ignorance that we judge well.”

“The philosopher is in love with truth, that is, not with the changing world of sensation, which is the object of opinion, but with the unchanging reality which is the object of knowledge.”

“Wealth and poverty; one is the parent of luxury and indolence, and the other of meanness and viciousness, and both of discontent.”

“Hereditary honors are a noble and a splendid treasure to descendants.”

“Experience proves that anyone who has studied geometry is infinitely quicker to grasp difficult subjects than one who has not.”

“He that sleeps feels not the tooth-ache”

“In friendship, as in love, we are often happier through our ignorance than our knowledge.”

“Were all the letters sun, I could not see one.”