"I will not attack your doctrines nor your creeds if they accord liberty to me. If they hold thought to be dangerous - if they aver that doubt is a crime, then I attack them one and all, because they enslave the minds of men."

"The greatest test of courage on earth is to bear defeat without losing heart."

"Hope is the only universal liar who never loses his reputation for veracity."

"Anger is a wind which blows out the lamp of the mind."

"Leadership comes in small acts as well as bold strokes."

"It is a unyielding truth that clear thinking requires courage even more than intellect."

"I was set free because my greatest fear had been realized, and I still had a daughter who I adored, and I had an old typewriter and a big idea. And so rock bottom became a solid foundation on which I rebuilt my life."

"It is a humble truth that clear thinking requires courage even more than intellect — an essential principle for the reflective life."