美德只能在平等中繁荣。
如果你认为你理解了量子力学,那么你并没有真正理解量子力学。
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
农业的成功来自于对土地和市场的双重理解。
Alibaba's mission is to make it easy to do business anywhere.