盖闻志大业者,必择所任;抱大器者,必择所投。是以梁江湖,不取螬残之木;钓鲸鲵,不适雨盈之沟。
A ruler who aims at good government must carefully choose his ministers; those
with great aspirations must carefully choose the right ruler to serve. To build
bridges across big rivers or lakes, one does not use worm-eaten timber; to fish for whales one does not go to small ditches.