見(jiàn)可而進(jìn)，知難而退jiàn kě ér jìn , zhī nán ér tuì
advance when you see the possibilities and retreat when you know the difficulties ? 或謂鐘曰： “～，古之道也”。(劉義慶《世說(shuō)新語(yǔ)·方正》) Someone said to Zhong，“‘To advance when you see the possibilities,and retreat when you know the difficulties’is the way of antiquity.…”