对称性不仅是自然的一种属性，而且是寻找物理定律的指导原则。
The greatest prosperity can exist only as the result of the greatest possible productivity of the men and machines of the establishment.
——《在广州中国国民党恳亲大会的演说》（1923年10月15日）
In business, if you're not moving forward, you're falling behind—complacency is the enemy of growth.
在商业中，如果你不前进，你就在落后——自满是增长的敌人。
The great advantage of telling the truth is that you don't have to remember what you said.
