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相关性和因果关系之间的区别在实证工作中是根本性的。
"The difference between correlation and causation is fundamental in empirical work."
I try to live my life with a sense of gratitude and appreciation for the opportunities I've been given.
我不需要理由去变得伟大。
以孩子们能理解的方式写一些困难的主题是很重要的。
If you love your work, you'll be out there every day trying to do it the best you possibly can, and pretty soon everybody around will catch the passion from you — like a fever.
Sustainable forestry is not a cost—it’s an investment in resilience.