"A child educated only at school is an uneducated child."

"Bid, then, the tender light of faith to shine By which alone the mortal heart is led Unto the thinking of the thought divine."

"Man is as full of potentiality as he is of impotence."

"There is a kind of courtesy in skepticism. It would be an offense against polite conventions to press our doubts too far."

"The dreamer can know no truth, not even about his dream, except by awaking out of it."

"Skepticism, like chastity, should not be relinquished too readily."

"If all the arts aspire to the condition of music all the sciences aspire to the condition of mathematics."

"Before you contradict an old man, my fair friend, you should endeavor to understand him."

"America is a young country with an old mentality."

"Advertising is the modern substitute for argument; its function is to make the worse appear the better."

"The tendency to gather and to breed philosophers in universities does not belong to ages of free and humane reflection: it is scholastic and proper to the Middle Ages and to Germany."