“It is the nature of an hypothesis, when once a man has conceived it, that it assimulates every thing to itself as proper nourishment; and, from the first moment of your begetting it, it generally grows the stronger by every thing you see, hear, read, or understand.”

“Writing, when properly managed, (as you may be sure I think mine is) is but a different name for conversation.”

“I have undertaken, you see, to write not only my life, but my opinions also; hoping and expecting that your knowledge of my character, and of what kind of a mortal I am, by the one, would give you a better relish for the other: As you proceed further with me, the slight acquaintance which is now beginning betwixt us, will grow into familiarity; and that, unless one of us is in fault, will terminate in friendship.”

“...For every ten jokes - thou hast got an hundred enemies...”

“Cursed luck! —said he, biting his lip as he shut the door, —for man to be master of one of the finest chains of reasoning in nature, —and have a wife at the same time with such a head-piece, that he cannot hang up a single inference within side of it, to save his soul from destruction.”

“Trust that man in nothing who has not a conscience in everything.”

“There are a thousand unnoticed openings, continued my father, which let a penetrating eye at once into a man's soul; and I maintain it, added he, that a man of sense does not lay down his hat in coming into a room, -- or take it up in going out of it, but something escapes, which discovers him.”