云计算不是一种技术，而是一种服务模式。

管理层必须明白，他们雇佣的不是个人，而是群体。

从n对观测值的样本中获得的相关系数的可能误差是sqrt((1-r²)/(n-2))。

The problem of the modern age is the problem of the individual's self-preservation in the face of the overwhelming power of the social mechanism.

如果名分不正理论上便讲不通，理论上讲不通，事情便办不成；……因此，君子给某种事物起名字时，就一定要在理论上讲得通，在实践上就一定能行得通。

The internet should be for everyone - it's too important to leave anyone behind.

Sustainability is not an option; it's a necessity for the future of agriculture.