关于神，我不知道他们是否存在，也不知道他们的形态是什么样子的；因为有许多事情阻碍了确切的知识，包括事物的晦涩和人类生命的短暂。
As to the gods, I do not know whether they exist or not, nor what they are like in form; for there are many things that hinder sure knowledge, the obscurity of the matter and the shortness of human life.
古代学者在内心涵养上下功夫，所以表现在外表上便是德高望重的标志；今天的学者在外表上下功夫，对于内心涵养，则显出实际德行的缺陷。
每一个生命体都是一种艺术家。
The best ideas often come from challenging the status quo.
Certification is not the destination; it's the starting point of responsible forestry.