“We haven't failed. We now know a thousand things that won't work, so we're that much closer to finding what will.”

“I have sometimes been wildly, despairingly, acutely miserable, but through it all I still know quite certainly that just to be alive is a grand thing.”

“Iron rusts from disuse, stagnant water loses its purity, and in cold weather becomes frozen; even so does inaction sap the vigors of the mind.”

“A man should never be ashamed to admit he has been in the wrong, which is but saying, in other words, that he is wiser today than he was yesterday.”

“A constructive, useful life, good works, and good relationships are as valid as writing poetry or inventing a machine. Anything that one does well and obtains satisfaction from is a good enough reason for living. To be a decent human being that people like and feel better for knowing is enough.”

“If one advances confidently in the direction of one's dreams, and endeavors to live the life which one has imagined, one will meet with a success unexpected in common hours.”

“Once the realization is accepted that even between the closest human beings infinite distances continue, a wonderful living side by side can grow, if they succeed in loving the distance between them which makes it possible for each to see the other whole against the sky. ”

“There is a point at which everything becomes simple and there is no longer any question of choice, because all you have staked will be lost if you look back. Life's point of no return.”