没有正义的自由是暴政。

The purpose of mental activity is to guide action.

数据是新的石油，云计算是新的电力。

身虽处天地万物之后，心却不在天地万物之前；身虽处天地万物之中，而心却在天地万物之上。

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

译文：在激流中屹立的柱石，力挽狂澜，具有天才，建立伟大的功业，把百姓从苦难中拯救出来，使国家的命运如同磐石般稳固，不是大英雄不能担当这样的重任。

The truth is, I don't know why I write. I only know that I must.

We must listen to the land - it tells us what it needs if we're willing to hear.

The future of democracy depends on its ability to adapt to new challenges and to renew itself.

The only thing that separates successful people from the ones who aren't is the willingness to work hard.