It is only because that by locating another's strengths, we are better enabled to see our own shortcomings. On the surface what we see is competition, what is actually happening behind this competitive front are consistent attempts to emulate each other.
而正是因為在彼此身上找到自己所欠缺的優點，才會把對方當做一面鏡子，明裡爭、暗地效。