“To have failed is to have striven, to have striven is to have grown.”

“Our business in life is not to get ahead of other people, but to get ahead of ourselves.”

“Opportunities do not come with their values stamped upon them. Every one must be challenged. A day dawns, quite like other days; in it, a single hour comes, quite like other hours; but in that day and in that hour the chance of a lifetime faces us”

“Many Christians have put the political cart before the theological horse.”

“I have striven never to betray myself”

“Sometimes when reading Goethe I have a paralyzing suspicion that he is trying to be funny.”

“Something of the previous state, however, survives every change. This is called in the language of cybernetics (which took it form the language of machines) feedback, the advantages of learning from experience and of having developed reflexes.”