关于一件艺术作品的最高问题是：它源于多么深邃的生活。
The supreme question about a work of art is out of how deep a life does it spring.
For systems, the analogue of a face-lift is to add to the control graph an edge that creates a cycle, not just an additional node.
"I’m not scared of getting older. I’m more experienced, I’m wiser, I’m more patient."
——2000年10月18日出席西雅图一次会议时的发言
能源的未来在于多样化，没有任何单一来源能满足我们所有的需求。
如果人生能像初次见面那样美好，就不会有后来的离别和悲伤。
And when his audience grew bored, he would spring into the air and do a back flip with a half twist.
科学严谨是我们一切工作的基础；没有它，信任就无从谈起。