Focusing your life solely on making a buck shows a certain poverty of ambition. It asks too little of yourself. Because it's only when you hitch your wagon to something larger than yourself that you realize your true potential.

I'll be the first US president to not only visit Kenya and Ethiopia, but also to address the continent as a whole, building off the African summit that we did here which was historic and has, I think, deepened the kinds of already strong relationships that we have across the continent.

Democracy demands that the religiously motivated translate their concerns into universal, rather than religion-specific, values.

I want to thank the Greek people publicly for their humanitarian response to the crisis of so many migrants and refugees seeking safety in Europe. Greeks, especially on the islands, have shown extraordinary compassion and they've rightly earned the admiration of the world.

The most expensive care we can give, we're giving those Americans without insurance. It's kind of stupid that we're fighting the notion that we want to quit paying a hidden tax and be up front about covering people in a way that is cost-effective.

There is no excuse for not trying.

America must always lead on the world stage. If we don't, no one else will. The military that you have joined is, and always will be, the backbone of that leadership. But U.S. military action cannot be the only - or even primary - component of our leadership in every instance. Just because we have the best hammer does not mean that every problem is a nail.