"I am fundamentally an optimist. Whether that comes from nature or nurture, I cannot tell. Part of being optimistic is keeping one's head pointed toward the sun, one's feet moving forward."

"A nation should not be judged by how it treats its highest citizens, but its lowest ones."

"It is in the character of growth that we should learn from both pleasant and unpleasant experiences."

"A leader is like a shepherd. He stays behind the flock, letting the most nimble go out ahead, whereupon others follow, not realizing that all along they are being directed from behind."

"For to be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others."