我们必须像投资技术一样投资于人；两者对进步都至关重要。
We must invest in people as much as we invest in technology; both are essential to progress.
林业技术应该服务于自然，而不是征服它。
我不是一个喜欢回头看的人，我总是向前看。
Take long walks in stormy weather or through deep snows in the fields and woods, if you would keep your spirits up. Deal with brute nature. Be cold and hungry and weary.
科学无国界，因为知识属于人类，是照亮世界的火炬。
无论生活中发生什么，都要善待他人。善待他人是一个美好的遗产。
赏赐并不能让人欢喜，责罚也不能让人畏惧。