你有梦想，你必须保护它。

人类的创作犹如自然的创作一样，真正地说起来，值得注意的主要是动机。

The key to credible causal inference is not just the method, but how well the method fits the question at hand.

We need to be able to trust the infrastructure of the Internet.

除非绝对必要，否则不要改变你的创作。如果确实需要改变，那就简单些。