AdS/CFT对应是理解量子引力的有力工具。
The AdS/CFT correspondence is a powerful tool for understanding quantum gravity.
The unity of mathematics is not an illusion but a reality waiting to be uncovered.
所以,国家的钱财不足以来应付饥荒,救济孤儿寡妇,这样,国家就贫困,百姓就难于治理。
书籍是释放我们潜力的钥匙。