一言重于九鼎，四两能拨千斤。在一些特定的情势、语境中，变被动为主动、化腐朽为神奇的机智应对奇招迭出。下面略举几招，可窥一斑。一曰“以实对空”。一位哲学家搭乘小船行至江中，与船夫攀谈起来：“船夫，你懂得历史吗？”船夫答：“不懂。”“那你就失去了一半生命。” In a word heavier than the Jiuding, four two can dial a thousand pounds. In some specific situations and contexts, it has become passive and proactive, turning witches and tricks into miraculous witches. Here are a few tips, you can see. One said “to the real air.” A philosopher takes a boat to the river and talks to the boatman: “The boatman, do you know history?” The boatman replied, “I do not know.” “You lost half your life.”