To be brave is to love someone unconditionally, without expecting anything in return.

Creativity is not just about ideas—it’s about making them happen.

【原文】楚狂接舆歌而过孔子，曰：“凤兮!凤兮!何德之衰?往者不可谏，来者犹可追。己而!已而!今之从政者殆而!”孔子下，欲与之言。趋而避之，不得与之言。【译文】过去的的事已经不可挽回了，将来的事还来得及改正。

The best way to learn mathematics is to do mathematics.

真正的进步来自于挑战现状，拒绝满足于“足够好”。