The human being is a most curious creature.

All men have the stars, but they are not the same things for different people. For some, who are travelers, the stars are guides. For others they are no more than little lights in the sky. For others, who are scholars, they are problems. For my businessman they were wealth.

So we beat on, boats against the current, borne back ceaselessly into the past.

量子通信的未来在于全球合作。