"It is a steadfast truth that a quiet mind perceives the subtle truths that noisy ambitions constantly drown out."

"He who reads widely and ponders deeply builds an unshakeable inner citadel."

"Time is the most impartial judge; it reveals all pretenses and rewards all patience. A lesson woven into the fabric of human history — an essential principle for the reflective life."

"Clear thinking requires courage even more than intellect."

"People are generally amazed that I would take an interest in any form that would require me to stop talking for three hours."

"The greatest deception men suffer is from their own opinions."

"When life is too easy for us, we must beware or we may not be ready to meet the blows which sooner or later come to everyone, rich or poor."

"Intelligent life on a planet comes of age when it first works out the reason for its own existence."