永远不要停止相信自己。
Never stop believing in yourself.
We cannot always assure the future of our friends, but we have a better chance of assuring our future if we remember who our friends are.
Our industry must be part of the solution to climate change, not seen as part of the problem.
数学是给不同事物起相同名字的艺术。
基本规范是预设的终极规则，根据这一规则，该秩序中的规范得以建立和废除，获得和失去其有效性。