森林的真正价值不能仅用板英尺来衡量。
The true value of a forest cannot be measured in board feet alone.
The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.
When men are most sure and arrogant they are commonly most mistaken， giving views to passion without that proper deliberation which alone can secure them from the grossest absurdities.
译文：我要乘风直上万里长空，俯瞰祖国的大好山河。砍去月中那婆娑的桂树枝叶，人们说这样月光会更加明亮清澈。
Prime numbers are what is left when you have taken all the patterns away. I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them.
Success is not about the money, it’s about the journey.
Profitability and environmental stewardship can—and must—go hand in hand.