The process of grouping, of organization, is not arbitrary but follows definite laws.

The best way to predict the future is to create it.

The greatest enemy of a good plan is the dream of a perfect plan.

情况越糟，扭转局面所需的努力就越小，上升空间就越大。

"I never think about what could go wrong. I only focus on what I need to do right."

The only way to learn a new programming language is by writing programs in it.

教育是可持续林业实践生长的种子。