The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.

It is forbidden toLove truth only when she shines on you； but when she turns to go away from you， let her go.

The best way to predict the future is to create it.