"Diamonds are forever," it is said. And for most people diamonds represent high status and great wealth, or enduring love. But Mao Ho-kwang has a more prosaic perspective, seeing these gems as merely "the high-pressure counterpart of carbon." Don't get him wrong.
「鑽石恆久遠，一顆永流傳」，在一般人眼裡尊貴、價值非凡、象徵愛情歷久彌堅的鑽石，在高壓物理學者毛河光的眼中，卻只是「碳的高壓相」。