" Here is some money, " he said. " Please get me a ball of string."

“给你些钱”，他说。“请帮我买一个线团”。

Each lapse is like the letting fall of a ball of string which one is carefully winding up; a single slip undoes more than a great many turns will wind again.

每一次失误就像一团正在小心收紧的线团掉落； 一次失误所造成的损失远大于多次转弯会再次缠绕。