Fearless is not the absence of fear. It’s not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death.

"The pictures are the first thing. The words come later."

科学不仅仅在于积累事实，而在于对其精神的深入理解。

我们都是自己生活的翻译者。

质量管理的问题不是人们不知道它。问题是他们认为自己知道。