天下的事情有难易之分吗？只要去做，难的也会变容易；不去做，容易的也会变难
The most important thing in life is to have a sense of purpose and to pursue it with passion.
布尔值最好的地方是即使你错了，你也只错了一点点。
活着就是为了改变世界，难道还有其他原因吗？
我们有责任利用科学改善生活，而不仅仅是追求利润。
Security is always excessive until it's not enough.
The time to start working on your career is now.