I firmly believe you never should spend your time being the former anything.

I talked about the need for American leadership, I talked about the importance of the United States to a more peaceful world, a world that has been quite turbulent in recent years, and needs a strong American anchor.

I don't like anything that's "just an escape." To me the best part of golf is that, unlike my tennis game, I can actually get better. I've probably reached my plateau in tennis, but in golf I have a lot of room for improvement. I really enjoy working on my game. I like practicing. I chart my rounds.

I've been an athlete all my life. I was a competitive figure skater, and then when I realized skating was not an adult sport I took up tennis and played that quite seriously from the time I was about 18.

It was actually fun to write [memoir], because I went back to interview people my parents had taught or who had worked with them, and I learned a lot about them that I hadn't known.

You will make a difference in the world, but not immediately. Your first obligation is to find something you like doing, because if you like doing it, you'll do it well.

Truly remarkable leadership is not just about motivating others to follow, it's about inspiring them to become leaders themselves and setting the stage for even greater opportunities for future generations.