量子通信的未来掌握在那些敢于探索未知的人手中。

The real moral test of a society is how it treats those who are at the dawn of life, the children; those who are in the twilight of life, the aged; and those who are in the shadow of life, the sick, the needy and the handicapped.

I don't believe in perfection. I think that's a very dangerous idea. It's a very unattainable idea.

The best time to plant a tree was 20 years ago; the second-best time is now.

经济增长发生在人们以更有价值的方式重新安排资源时。