AdS/CFT对应是理解量子引力的有力工具。

成功经济发展的关键在于遵循比较优势并挖掘后发优势的潜力。

The real opposition is that between the ego-bound man, whose existence is structured by the principle of having, and the free man, whose existence is structured by the principle of being.

世界是个好地方，值得为之奋斗。