有一个智者,他的身边有一大群慕名向他拜帅学艺的学生。一天早上,天还未亮,四周一片漆黑,智者问了他的学生一个问题:“你们谁可以告诉我,什么时候才可谓黑夜的结束、白天的开始?”学生们面面相觑,这时有一个比较机智的学生说:“是不是可以说,当你能看见前面走过来一个动物,并能分辨出它是一只绵羊还是一只山羊时就是黑夜的结束、白天的开始呢?”智者摇摇头。另一个学生接着说:“那是不是当你能看见远处的一棵树,又能说出那棵树是无花 There is a wise man, surrounded by a large group of his admirers handsome students. One morning, when the sky was still dark and the surroundings were dark, the wise man asks his student a question: ”Who can you tell me when is the end of the night, the beginning of the day?“ ”The students looked at each other, A witty student said: “Is it fair to say that the beginning of the day is the end of the night when you can see an animal walking in front of you and discerning whether it is a sheep or a goat?” “ Wise man shook his head. Another student went on to say: ”Is not that when you can see a tree in the distance,