The most important victories are those that come after the hardest defeats.

The future of forestry lies in balancing economic needs with ecological responsibility.

在商业中，唯一不变的是变化，而适应能力是我们最大的资产。

You cannot hope to build a better world without improving the individuals. To that end, each of us must work for our own improvement and, at the same time, share a general responsibility for all humanity, our particular duty being to aid those to whom we think we can be most useful.

The struggle itself towards the heights is enough to fill a man's heart. One must imagine Sisyphus happy.

知识不是为了理解而存在，而是为了切割。