"To be old is a glorious thing when one has not unlearned what it means to begin."

"Let every one of us ... acknowledge that he ... does not comprehend all those things which are necessary to be known;…"

"Who dares to teach must never cease to learn."

"One often says to oneself ... that one ought to avoid having too many different businesses, to avoid becoming a jack-…"

"If you obtain provision for yourself of spiritual abundance, don’t throw the surplus at people’s heads; feed it back …"

"He who does not increase his knowledge decreases it."

"The central task of education is to implant a will and facility for learning; it should produce not learned but learn…"

"There is a great difference between still believing something and again believing it."

"From many quarters comes the call to a new kind of education with its initial assumption affirming that education is …"

"Upon this gifted age, in its dark hour,"