You are only as young as the last time you changed your mind.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
人类最伟大的追求是了解自己必须做什么才能成为一个人。
The greatest happiness is to know the source of unhappiness.
"The interplay between theory and practice in computer science is what drives the field forward."