Pepole who live in glass houses should not throw stones

Pepole (或Those) who live in glass houses should not throw stones (或rocks) —— 照字面的意思是：住在玻璃屋里的人不可丢石头.也就是说,世间没有十全十美的人,每 个人都有缺点,所以不要批评别人.即所谓「自身有短,勿批他人」.