“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.”

“It now appears that the negro race is, more than any other, susceptible of rapid civilization. The emancipation is observed, in the islands, to have wrought for the negro a benefit as sudden as when a thermometer is brought out of the shade into the sun. It has given him eyes and ears.”

“Emancipation is the demand of civilization. That is a principle; everything else is an intrigue.”

“In the highest civilization, the book is still the highest delight. He who has once known its satisfactions is provided with a resource against calamity.”