Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning.
An American monkey, after getting drunk on brandy, would never touch it again, and thus is much wiser than most men.
To be elected president, you have to do more than tear down your opponents. You have to give the American people a reason to vote for you - a reason to hope - a reason to believe that under your leadership, America will be better.

