The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
世界拥有技术 - 无论是现有的还是研究中的 - 可以在可持续的基础上养活100亿人口。
In business, you have to be prepared to take risks, but calculated ones.
在数学中,解决问题的旅程与解决方案本身同样重要。
You are beautiful no matter what they say.