The deepest insights in mathematics often come from the most abstract theories.
数学中最深刻的见解往往来自最抽象的理论。
迈向可持续实践的每一个小步骤都很重要；完美不是目标，进步才是。
Art is the only serious thing in the world. And the artist is the only person who is never serious.
The bond we share with our fans is something truly special.
Human freedom is bounded by its choices.
我是一个美国黑人，我为我的种族感到骄傲。我为自己是谁感到骄傲。我有许多自豪和尊严。