每个圣人都有过去，每个罪人都有未来。

"History is not just what happened, but what people thought and felt about it."

The most important thing about a theory is that it explains the facts.

The process of doing mathematics is more important than the result.

表演不是要成为不同的人。它是在明显不同的事物中找到相似之处，然后在那里找到自己。