We must embrace change and lead the change, or we will be left behind.

We are all products of chance and necessity.

我只能试着在心灵深处紧紧的守候着你。

The task of the teacher is to lead the student from the known to the unknown.

Man is an animal that makes bargains: no other animal does this no dog exchanges bones with another.

教育是可持续林业实践的基础。