To do mathematics is to explore a universe of ideas, where the only limit is your imagination.
疯狂与天才之间的界限是由那些害怕两者的人划定的。
The future is not something we enter. The future is something we create.
The ultimate test of any economic theory is whether it improves real-world decisions.
舞蹈是灵魂的隐秘语言。