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.

I favor legalizing same-sex marriages, and would fight efforts to prohibit such marriages.

I very much believe in reforming the tax system.

The easiest way to save money is to waste less energy.

We don't have this huge footprint, we are less likely to be targeted as, you know, occupiers [in Afghanistan and Iraq].

We can be civil to each other, and we can try to express ourselves acknowledging that we're all patriots, we're all Americans, and not assume the absolute worst in people's motives.

It took a lot of blood, sweat and tears to get to where we are today, but we have just begun. Today we begin in earnest the work of making sure that the world we leave our children is just a little bit better than the one we inhabit today.