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.

在科学中最令人兴奋的短语，预示着新发现的，不是“我发现了！”而是“这很有趣……”

The most important aspect of a software system is its ability to meet the needs of its users.

I don't believe in perfection. I think that's a very dangerous idea. It's a very unattainable idea.

The training and improvement of labor are effective ways to increase productivity.

人的状况...是一种每个人对每个人的战争状况。

Beauty is in the eye of the beholder, but it's the artist's job to challenge that.