数学之美不仅在于其抽象的优雅,还在于其建模和解决现实世界问题的深刻能力。
The essence of a free government consists in an effectual control of rivalries.
"I’ve learned more from my losses than from my wins."
你的品牌就是当你不在场时人们对你的评价。
I don’t believe in luck. I believe in hard work.