The greatest tragedy of humanity is not death, but the loss of dignity.
成就的唯一途径是热爱自己的事业，如果你还没找到的话，继续寻找，不要屈就。
The only way to be free is to serve.
Mathematics is not just a human invention; it has a deep reality that exists independently of us.
"Die größte Herausforderung beim Schreiben ist es, die richtigen Worte zu finden, um das Unsagbare auszudrücken."