有一个以善于攀爬树木闻名的男子让人爬树去砍树枝。攀爬者到最高处时,他一言不发;等到攀爬者下到屋檐那么高时,他才开始说:“要小心,别失足了!”我问道:“已经下到这个地方,稍微一跳就可以下来了,为何又要这么说呢?”男子回答道:“正是应该到这个高度时才说的。人爬到最高点,枝危而目眩,自当有所戒备,因此不必多言。而失误常常发生于易处,因此就非说不可了。” There is a man who is good at climbing trees and makes tree climbing to cut branches. When the climber reaches the highest point, he speaks nothing; until the climber approaches the eave, he begins to say: “Be careful not to lose!” I asked: “It has come down This place, a little hop can come down, why should say so? ”Man replied:“ It should be said at this height, when people climb to the highest point, sticks dizzy, since You are on guard, so you do not have to say a lot, and mistakes often happen easily, so that’s all you need to do. ”