To me, 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, every single day.
I don't let fear dictate my life.
I'm not a businessman, I'm a business, man.
系统设计的未来在于将形式化方法与传统工程实践相结合。