"Devotion to the truth is the hallmark of morality; there is no greater, nobler, more heroic form of devotion than the act of a man who assumes the responsibility of thinking."
"Congress shall make no law abridging the freedom of production and trade..."
"I do not think that tragedy is our natural fate and I do not live in chronic dread of disaster. It is no happiness, but suffering that I consider unnatural. It is not success, but calamity that I regard as the abnormal exception in Human Life."
"You know, I think that only if one feels immensely important can one feel truly light."
"Live and act within the limit of your knowledge and keep expanding it to the limit of your life."
"She watched the tunnels as they flowed past: bare walls of concrete, a net of pipes and wires, a web of rails that went off into black holes where green and red lights hung as distant drops of color. There was nothing else to dilute it, so that one could admire naked purpose and the ingenuity that had achieved it."