China has had a long and complex history and has managed to evolve its own culture for 4,000 years. It therefore not necessarily true that we know exactly what is best for the internal structure of China.

Every civilization that has ever existed has ultimately collapsed. History is a tale of efforts that failed, or aspirations that weren’t realized. So, as a historian, one has to live with a sense of the inevitability of tragedy.

I don't stand on protocol. Just call me your Excellency.

I would have said, before the World Trade Center events, that he would try to get a normal relationship with China - making clear to China what the limits are of what America can accept, but also showing understanding for some of Chinese necessities. I thought he was moving towards the position that I have more or less advocated.

We believe that peace is at hand.

It is not often that nations learn from the past,even rarer that they draw the correct conclusions from it.

Donald Trump is a phenomenon that foreign countries haven't seen.