Ａct of God ｖｓ Act of Man

You are not responsible for Act of God, but you are responsibler for your own action.

Act of God:  how tree grows, how storm fell trees. 

Act of Man:  you were warned of the danger but did nothing.

總之，天下危險的事情很多，你要是連草木的事情都擔心自己負責任，那麽請不要買獨立屋，一輩子住ｃｏｎｄｏ好了。