Creativity is allowing yourself to make mistakes. Art is knowing which ones to keep.

The most dangerous enemy is often ourselves.

没有生态平衡，就没有真正的经济效益。

为：同“伪”。“务为”即作假。盖：遮盖。虚：虚假。弄虚作假．时间不会太久；遮盖虚假的事情，时间也不会太长。