Our lives begin to end the day we become silent about things that matter.

林业技术应该服务于自然，而不是征服它。

Persistence in the face of failure is what separates successful scientists from the rest.

没有坚强意志品质的人学识智慧也不会通达;不遵守诺言的人行动也不会实现。

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.