Whenever you want to achieve something, keep your eyes open, concentrate and make sure you know exactly what it is you want. No one can hit their target with their eyes closed.
There was never a time when the world began, because it goes round and round like a circle, and there is no place on a circle where it begins. Look at my watch, which tells the time; it goes round, and so the world repeats itself again and again.
And so you [young Americans]need to be the Idea Generation. The generation who's always thinking on the cutting edge, who's wondering how to create and keep the next wave of American jobs and American innovations, who's figuring out how to out-compete the Idea Generations of Indias and Chinas of the world.
I know my country has not perfected itself. At times, we've struggled to keep the promise of liberty and equality for all of our people. We've made our share of mistakes, and there are times when our actions around the world have not lived up to our best intentions.