有所不为,才能有所为。人生有很多是可以放弃的东西,但万万不可轻言放弃的是:努力。你是否知道鲮鱼和鲦鱼的习性?鲮鱼喜欢吃鲦鱼,鲦鱼总是躲避鲮鱼。有人曾经用这两种鱼做了一个实验。实验者用玻璃板把一个水池隔成两半,把一条鲮鱼和一条鲦鱼分别放在玻璃隔板的两侧。开始时,鲮鱼要吃鲦鱼,飞快地向鲦鱼游去,可一次次都撞在玻璃隔板上,游不过去。过了一会儿工夫,鲮鱼放弃了努力,不再向鲦鱼那边游去。更有趣的是,当实验者将玻璃隔板抽出来之后,鲮鱼也 Do something for nothing. There are many things you can give up in life, but you must not give up easily: work hard. Do you know the habits of catfish and catfish? Catfish like to eat catfish, catfish always avoid catfish. Someone once did an experiment with both kinds of fish. The experimenter used a glass plate to split a pool in half, placing a bonito and a bonito on either side of the glass partition. At the beginning, the bonito to eat bonito, swiftly swim to the bonito, but again and again hit the glass partition, but not go. After a while, the mullet gave up and stopped swimming to the mullet. What’s more interesting is that when the experimenter pulls out the glass partition, the bonito also