你盯着一个物体看得越久，它就变得越抽象，讽刺的是，也越真实。
The longer you look at an object, the more abstract it becomes, and, ironically, the more real.
Beware the barrenness of a busy life.
"We are all apprentices in a craft where no one ever becomes a master."
The Langlands program is a challenge to our understanding of the nature of mathematical truth.