I've come to embrace the notion that I haven't done enough in my life. I've come to confirm that one's title, even a title like president of the United States, says very little about how well one's life has been led. No matter how much you've done or how successful you've been, there's always more to do, always more to learn, and always more to achieve.
I do not deny that many appear to have succeeded in a material way by cutting corners and by manipulating associates, both in their professional and in their personal lives. But material success is possible in this world and far more satisfying when it comes without exploiting others.
Leisure may be defined as free activity, labor as compulsory activity. Leisure does what it likes, labor does what it must, the compulsion being that of Nature, which in these latitudes leaves men no choice between labor and starvation.
What material success does is provide you with the ability to concentrate on other things that really matter. And that is being able to make a difference, not only in your own life, but in other people's lives.
On 17th July there came to us at Potsdam the eagerly-awaited news of the trial of the atomic bomb in the [New] Mexican desert. Success beyond all dreams crowded this sombre, magnificent venture of our American allies. The detailed reports ... could leave no doubt in the minds of the very few who were informed, that we were in the presence of a new factor in human affairs, and possessed of powers which were irresistible.
The power of the human will to compete and the drive to excel beyond the body's normal capabilities is most beautifully demonstrated in the arena of sport.