Every saint has a past, and every sinner has a future.

Can I jump over two or three guys like I used to? No. Am I as fast as I used to be? No, but I still have the fundamentals and smarts. That’s what enables me to still be a dominant player. As a kid growing up, I never skipped steps. I always worked on fundamentals because I know athleticism is fleeting.

Any change, even a change for the better, is always accompanied by drawbacks and discomforts.

可持续林业不是一种选择；它是一种义务。

知识在心灵中以符号结构的形式表征。

对世界抱有理想化的看法是错误的。这就是麻烦的开始。这就是一切开始瓦解的地方。