The cow knows not what her tail is worth until she has lost it.

牛失去了尾巴才知道它的尾巴有什么价值。

相关名言

We need a coat with two pockets. In one pocket there is dust, and in the other pocket there is gold. We need a coat with two pockets to remind us who we are.

我们需要一件有两个口袋的外套。一个口袋里有灰尘,另一个口袋里有金子。我们需要一件有两个口袋的外套来提醒我们是谁。

Try not to become a man of success but rather try to become a man of value.

不要为成功而努力,要为做一个有价值的人而努力。