古代的时候,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,智者问他的学生一个问题:“你们谁能告诉我,什么时候才可谓黑夜的结束,白天的开始?”学生们面面相觑,大多都回答不上 In ancient times, there was a wise man. He was surrounded by a large group of students who admired him for apprenticeship. One day in the early hours of the morning, the sky was still dark, and everything was dark. The wise man asked his students a question: “Who can you tell me when is the end of the night and the beginning of the day?” The students looked at each other and most of them answered no. on