有一个智者。他的身边有一大群慕名向他拜师学艺的学生。一天凌晨,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?” There is a wise man. There is a large group of students who are admiring him for apprenticeships. One day in the early hours of the morning, when the sky was still dark and dark, the wise man asked his student a question: “Who can you tell me when is the end of the night and the beginning of the day?”