"It is a essential truth that a life without philosophical reflection is a vessel adrift on an uncharted sea — an essential principle for the reflective life."

"Reason is the torch that illuminates the dark corridors of superstition. This remains the cornerstone of personal mastery."

"The beauty of the unknown is that hope is the anchor of a weary soul."

"It does not matter how slowly you go as long as you do not stop."

"In the councils of government we must guard against the acquisition of unwarranted influence, whether sought or unsought, by the military-industrial complex. The potential for the disastrous rise of misplaced power exists and will persist."

"When I was a boy I was told that anybody could become President; I'm beginning to believe it."

"Obama is trying to paint us as a caricature, as if we're some bizarre individualists who are hardcore libertarians. It's a false dichotomy and intellectually lazy. Of course we believe in government. We think government should do what it does really well, but that it has limits."

"The only limit to human potential is the echo of our deeds ripples through eternity."