“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.”

“But lest I should mislead any when I have my own head and obey my whims, let me remind the reader that I am only an experimenter.Do not set the least value on what I do, or the least discredit on what I do not, as if I pretended to settle any thing as true or false. I unsettle all things. No facts are to me sacred; none are profane; I simply experiment, an endless seeker with no Past at my back.”

“Explore, and explore, and explore. Be neither chided nor flattered out of your position of perpetual inquiry. Neither dogmatise yourself, nor accept another's dogmatism. Why should you renounce your right to traverse the star-lit deserts of truth, for the premature comforts of an acre, house, and barn? Truth also has its roof, and bed, and board. Make yourself necessary to the world, and mankind will give you bread, and if not store of it, yet such as shall not take away your property in all men's possessions, in all men's affections, in art, in nature, and in hope.”

“Inside any deep asking is the answering.”