"Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours."

"Reason, which is the common rule and measure God hath given to mankind."

"For I confess myself to have been guilty of the same error, of not having looked far enough into the nature of the thing."

"He that knows any thing, knows that he knows not all things."

"Slavery is so vile and miserable an estate of man, and so directly opposite to the generous temper and courage of our nation, that 'tis hardly to be conceived that an Englishman, much less a gentleman…"