如果我们从一开始就能预见，甚至证明，遵循某种方法我们将达到我们的目标，那么这种解决方法就是完美的。
A method of solution is perfect if we can foresee from the start, and even prove, that following that method we shall attain our aim.
Collaboration across sectors is the only way to solve forestry's greatest challenges.
I would never hurt you，Jenny.
生存还是毁灭，这是一个问题。
不要担心失败，担心的是你甚至没有尝试就错过的机会。