A world without walls is the only sustainable world. . . . If the world is dominated by people who believe that their races, their religions, their ethnic differences are the most important factors, then a huge number of people will perish in this century.

Music, to me, was - is - representative of everything I like most in life. It's beautiful and fun, but very rigorous. If you wanted to be good you had to work like crazy. It was a real relationship between effort and reward. My musical life experiences were just as important to me, in terms of forming my development, as my political experiences or my academic life.

Let us rededicate ourselves to the principle that all Americans have the tools to make the most of their God-given potential. For Indian tribes and tribal members, this means that the authority of tribal governments must be accorded the respect and support to which they are entitled under the law. It means that American Indian children and youth must be provided a solid education and the opportunity to go on to college. It means that more must be done to stimulate tribal economies, create jobs, and increase economic opportunities.

Life's real victories must be shared.

I have always believed that the decision to have an abortion generally should be between a woman, her doctor, her conscience, and her God.

I spent a lot of time when I was president, trying to end wars, prevent killing, and promote understanding. What I have seen is that peace works better than conflict, and one of the best manifestations of it is in travel and tourism.

President Obama's approach embodies the values, the ideas and the direction America has to take to build the 21st-century version of the American Dream: a nation of shared opportunities, shared responsibilities, shared prosperity, a shared sense of community.