But Goethe tells us in his greatest poem that Faust lost the liberty of his soul when he said to the passing moment: "Stay, thou art so fair." And our liberty, too, is endangered if we pause for the passing moment, if we rest on our achievements, if we resist the pace of progress. Change is the law of life. And those who look only to the past are certain to miss the future.
John F. KennedyWe have the power to make this the best generation of mankind in the history of the world or to make it the last.
John F. KennedyAnd when at some future date the high court of history sits in judgment on each of us, recording whether in our brief span of service we fulfilled our responsibilities to the state, our success or failure, in whatever office we hold, will be measured by the answers to four questions: First, were we truly men of courage... Second, were we truly men of judgment... Third, were we truly men of integrity... Finally, were we truly men of dedication?-
John F. Kennedy