我不是情感，我是理念。

Stay hungry, stay foolish, but also stay focused.

If you want to make a difference, you have to be willing to take risks.

Violence is not just physical; it's embedded in our systems and structures.

Leadership is about serving others, not commanding them.

When you get an invitation to do something in the future， ask yourself: would you accept this if it was scheduled for tomorrow？ Not too many promises will pass that immediacy filter.

量子世界和经典世界之间的界限并不像我们曾经认为的那样清晰。

Around computers it is difficult to find the correct unit of time to measure progress. Some cathedrals took a century to complete. Can you imagine the grandeur and scope of a program that would take as long?

——回答清华学生“国民党施行的，是否俄国的主义？”，1924年2月9日

人们总觉得最有意思的话题就是与自己相关的话题。所以，要善于分析他人的问题所在，并尝试提出办法来帮助他人。几乎所有的人，无论他声名多么显赫、地位多么高贵，都愿意接受新的想法，当然，前提是这些想法必须经过深思熟虑。