生活的美在于它的不可预测性。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
我们开采的每一桶石油都必须以最小的环境影响负责任地进行。
You should never give up on your dreams.
数学的本质在于它揭示模式和对称性的力量。