As a nuclear power – as the only nuclear power to have used a nuclear weapon – the United States has a moral responsibility to act. – Barack Obama
People of Berlin – people of the world – this is our moment. This is our time. – Barack Obama
I know my country has not perfected itself. At times, weve struggled to keep the promise of liberty and equality for all of our people. Weve made our share of mistakes, and there are times when our actions around the world have not lived up to our best intentions. – Barack Obama
Change will not come if we wait for some other person or some other time. We are the ones weve been waiting for. We are the change that we seek. – Barack Obama