一个人需要相当的知识才能意识到自己的无知程度。
It takes considerable knowledge just to realize the extent of your own ignorance.
I don't believe in luck. I believe in preparation meeting opportunity.
In the short run, the market is a voting machine but in the long run, it is a weighing machine.
The future of forestry lies in balancing economic needs with ecological responsibility.
有时候最难的事和最正确的事是同一件事
我不会让失败定义我,我会让它磨砺我。