我一直觉得自己是个外国人,即使在自己的国家也是如此。
"I have always felt that I am a foreigner, even in my own country."
The best mathematics is timeless.
最优雅的数学证明是那些以简单揭示真理的证明。
You can't change the people around you, but you can change the people you choose to be around.