"A man of knowledge lives by acting, not by thinking about acting... Thus a man of knowledge sweats and puffs and if one ..."

"The first step to self-knowledge is self-distrust. Nor can we attain to any kind of knowledge, except by a like process..."

"There is a risk of elevating, by an indiscriminating education, the minds of those doomed to the drudgery of daily labou..."