I've been waiting more than 30 years to say this: "Dad, I always told you I'd come back and get my degree." I want to thank Harvard for this timely honor. I'll be changing my job next year…and it will be nice to finally have a college degree on my resume.

荒野不在乎你的借口。它只在乎你的行动。

The true measure of our success in forestry will be what we leave for future generations, not just our quarterly reports.

"In computational learning theory, the challenge is not just to learn, but to understand how learning is possible."

未经审视的生活不值得过。

I have great faith in fools; self-confidence my friends call it.