数学之美在于它能够精确而优雅地描述自然界的基本法则。
Nowadays people know the price of everything and the value of nothing.
We're all working together; that's the secret.
生命中最美好的事物不是物品,而是人、地方、回忆和画面,是情感、瞬间、微笑和笑声。