地之穢者多生物，水之清者常無魚；故君子當(dāng)存含垢納污之量，不可持續(xù)保潔獨(dú)行之操。
【解釋】有腐草和糞料的土地，植物繁茂生長；清澈見地的河流，常常不會有魚蝦。君子應(yīng)有包容世間善惡、雅俗、是非的胸襟，不可追求絕對的完美，而脫離實(shí)際。
The mind is divided into parts that sometimes conflict. Like a rider on the back of an elephant, the conscious, reasoning part of the mind has only limited control over the automatic, emotional part.
In manufacturing, precision is everything, but adaptability is what keeps you ahead.