数学之美不仅在于它描述世界的能力，还在于它揭示支配世界的隐藏结构的力量。
The beauty of mathematics lies not only in its ability to describe the world but also in its power to reveal the hidden structures that govern it.
The only way to have a friend is to be one.
The only way to be free is to constantly challenge authority and convention.
你的态度决定你的高度。
我知道这一刻有多重要，我不想有任何遗憾。