与怪物搏斗的人应小心，免得自己也变成怪物。
He who fights with monsters should be careful lest he thereby become a monster.
Read not to contradict and confute; nor to believe and take for granted; nor to find talk and discourse; but to weigh and consider.
释义：古往今来的多少事，都付之于人们的谈笑中。