预测非常困难，尤其是关于未来。
Prediction is very difficult, especially about the future.
"The writer's duty is to tell the truth, even when it is uncomfortable."
除非定理是美丽的，否则它们毫无价值。
The only way to learn a new programming language is by writing programs in it.
The more you know, the more you can know.
生活就是关于成长和改变。