Sweep before your own door.
Let each tailor mend his own coat.
Let every man skin his own skunk.
Let everyone mind his own business.
eg:Selfishne5s makes you sweep before your own door after snowing.
同義詞:事不關己,高高掛起 Dogs never go into mourning when a horse dies.
反義詞:通力合作 To pull together.