Our Constitution wisely assigns both joint and separate roles to each branch of the government; and a President and a Congress who hold each other in… - John F. Kennedy

There is inherited wealth in this country and also inherited poverty. And unless the graduates of this college and other colleges like it who are given a running start in life--unless they are willing to put back into our society, those talents, the broad sympathy, the understanding, the compassion--unless they are willing to put those qualities back into the service of the Great Republic, then obviously the presuppositions upon which our democracy are based are bound to be fallible.

It was early in the Seventeenth Century that Francis Bacon remarked on three recent inventions already transforming the world: the compass, gunpowder and the printing press. Now the links between the nations first forged by the compass have made us all citizens of the world, the hopes and threats of one becoming the hopes and threats of us all. In that one world's efforts to live together, the evolution of gunpowder to its ultimate limit has warned mankind of the terrible consequences of failure. And so it is to the printing press — to the recorder of man's deeds, the keeper of his conscience, the courier of his news — that we look for strength and assistance, confident that with your help man will be what he was born to be: free and independent.

If anyone is crazy enough to want to kill a president of the United States, he can do it. All he must be prepared to do is give his life for the president's.