《伊索寓言》有个驴子过河的故事。一头驴子驮着两大包盐过河。重重的盐把它压得头昏眼花。过河的时候，它一不小心倒在了水里，使劲挣扎也没能够站起来。它绝望了，索性趴在水里休息了起来。过了一段时间，驴子感到背上那重重的盐越来越轻，最后，竟毫不费力地站了起来。驴子 Aesop’s Fables has a story of a donkey crossing the river. A donkey laden with two large packages of salt across the river. Heavy salt dazzles it. When crossing the river, it accidentally fell in the water, struggling not to stand up. It despair, simply lying in the water to rest. After a while, the donkey felt the heavy salt on his back lighter and, finally, stood up effortlessly. donkey