“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.”

“If a man fasten his attention on a single aspect of truth and apply himself to that alone for a long time, the truth becomes distorted and not itself but falsehood.”

“The objection to conforming to usages that have become dead to you is, that it scatters your force.”

“The one prudence in life is concentration; the one evil is dissipation: and it makes no difference whether our dissipations are coarse or fine; property and its cares, friends and a social habit, or politics, or music, or feasting. Everything is good which takes away one plaything and delusion more, and drives us home to add one stroke of faithful work.”