If you give up on the idea that your voice can make a difference, then other voices will fill the void

They assert that their program is purely peaceful. . . . We want them to demonstrate clearly in the actions they propose that they have truly abandoned any nuclear weapons ambition.

You know, there are certain things that make for good sound bites but don't always translate into good policy.

That is another theme in the book [Dreams from My Father]. How do we exercise more empathy in our public discourse? How do we get the black to see through the eyes of the white? Or the citizen to see through the eyes of the immigrant? Or the straight to see through the eyes of the gay? That has always been a struggle in our politics.

Love and hope can conquer hate.

Angela [Merkel] and I also agreed the need for a comprehensive and humane response to the devastating humanitarian crisis in Syria and for the influx of migrants and refugees from around the world. We need to build on the progress achieved at the U.N. Refugee Summit, which yielded new commitments from some 50 nations and organizations.

We are willing to uphold principles that have resulted in unprecedented prosperity and security throughout Europe and around the world. With the threat of climate change only becoming more urgent, Angela [Merkel] and I focused on the need for American and E.U. leadership to advance global cooperation.