Where all extremes and oppositions vanish, there lies Nirvana.

教育是可持续林业实践的基础。

I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.

I don't have to prove anything to anyone. There's nothing to prove.

翻译：事物的发展变化没有穷尽，一个过程的终止，是下一个过程的开始。