"Innocence always calls mutely for protection when we would be so much wiser to guard ourselves against it: innocence is like a dumb leper who has lost his bell, wandering the world, meaning no harm."

翻译：尺蠖弯曲身体是为了前进，龙蛇蛰伏是为了保存自己。

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

做出伟大工作的唯一途径是热爱你所做的事。

The true value of a forest cannot be measured in board feet, but in the breath of the planet.

当你解决一个数学问题时，你不仅得到了答案，还理解了为什么这是答案。

经常静坐思考，来收拢思想；减少饮酒色欲，来清理思想；摒除嗜好情欲，来修养思想；体味古人教训，来警戒思想；悟察至理名言，来明确思想。