We should, all of us, be filled with gratitude and humility for our present progress and prosperity. We should be filled with awe and joy at what lies over the horizon. And we should be filled with absolute determination to make the most of it.

Presidents are not permitted to have personal feelings.

The most important question of the 21st century is not what or how much, it is 'How?' How do you propose to turn your good ideas into positive changes in other people's lives? You must be the 'how generation.'

We all do better when we work together. Our differences do matter, but our common humanity matters more.

The price of doing the same old thing is far higher than the price of change.

Putin wants to reestablish Russian greatness, not as the Cold War, but in 19th century empire terms.

I believe that those who promote discrimination on the basis of sexual orientation or any other grounds are gravely mistaken about the values that make our nation strong. I will continue to move my administration in the direction of compassion, acceptance, and understanding.