Take copper as mirror,can rectify dress; 以铜为镜,可以正衣冠； Draw lessons from histroy,one know dynasties changed; 以史为镜,可以知兴替； Take person as mirror,can understand advantages and disadvantages. 以人为镜,可以明得失.
Using a bronze mirror, we can exam how we dress; Studying history, we can understand why there were rises and falls of powers; Observing other people's success and failure, we will know what to and what not to do.
