“Discovery is dangerous . . . but so is life. A man unwilling to take risk is doomed never to learn, never to grow, never to live.”

“Never underestimate the power of the human mind to believe what it wants to believe, no matter the conflicting evidence.”

“Humans are different in private than in the presence of others. While the private persona merges into the social persona in varying degrees, the union is never complete. Something is always held back.”

“It's so much more interesting to study a ... damaged world. I find it difficult to learn anything in a place that's too civilized.”

“A man may fight the greatest enemy, take the longest journey, survive the most grievous wound -- and still be helpless in the hands of the woman he loves.”

“The capacity to learn is a gift; The ability to learn is a skill; The willingness to learn is a choice.”

“How will I be remembered by my children? This is the true measure of a man.”