My books are written with a strong chronological spine.

That is what leadership is all about: staking your ground ahead of where opinion is and convincing people, not simply following the popular opinion of the moment.

Years of concentration solely on work and individual success meant that in his retirement [Lyndon Johnson] could find no solace in family, in recreation, in sports or in hobbies. It was almost as if the hole in his heart was so large that even the love of a family, without work, could not fill it.

The one thing that John Kennedy did, above all else, was to energize young people to feel that they wanted to give something to their country. I just hope, for young people of this generation, that they'll experience that feeling once again, that by working on large goals, they can do something more than their own individual ambition.

As much research as you think you're doing, you're going to mess up, without a question.

People will love him (Theodore Roosevelt) for the enemies he has made.

If your ambition comes at the price of an unbalanced life, that there's nothing else that gives you comfort but success, it's not worth it.