A proof is a way to convince yourself and others that something is true.
所有没有杀掉我的就只会令我更顽强！
成功来自于解决实际问题，而不仅仅是追逐趋势。
操办丧事，虽然礼仪繁多，但表达哀悼之情，才是最根本的。
I have a dream, and that dream is worth every sacrifice I make.
如果你说真话，就不必记住任何事情。
我明白了压力是一种特权。