The man who removes a mountain begins by carrying away small stones.
"Time is always a surprise. You think you know it, but you don't."
世界上充滿了顯而易見的事情，卻偏偏沒人注意到。
解釋：高明的醫(yī)生注重預(yù)防疾病，而不是等到疾病發(fā)生后再去治療。