你必须是自己幸福的最好判断者。
历史的终结将是一个非常悲伤的时刻。
A story is not just told; it is lived by those who read it.
"I believe that as much as you take, you have to give back."
我不让任何人偷走我的快乐。
The language of mathematics is universal, transcending cultural and linguistic barriers.