In 485 BC, Guan ordered Yin to keep Guan early in the morning. He stood on the tower and looked at the east with his hand in the arbor-the ancients had the hope of learning gas, and if they saw purple gas, there would be nobles.

After a while, as expected, purple gas floated from the east, getting closer and bigger. He quickly ordered his men to prepare tables and drinks, and then hurried down the tower to meet them devoutly.

The newcomer is an old man with white hair and beard, riding a green cow. This is Lao Zi.

Yin saw Lao Tzu, although his hair and beard were all white, but his face was ruddy and hale, and there was a purple smell on his head, and the morning glow was shining behind him. In this background picture, Laozi is as calm as water, with clear breath and a fairy appearance.

Yin is overjoyed! He knows that the wise men in the world are coming! He wants to keep Lao Tzu and let him learn by himself. But when I got to Lao Tzu, he was speechless for a while. That old man, looking at him with a smile, is as natural as wind and as calm as water. He suddenly felt his impatience, and when he met the clear sky of Laozi, the disparity was too great, and he was not ashamed.

Lao Tzu and Qing Niu both looked at him, and when they saw that he didn't talk, they continued on their way and walked to the Commissioner. Yin is anxious! Yes, it's early morning, and dusk is not the time to ask for advice. Is there any reason not to ask for advice?

Just when I was upset, an embarrassing thing happened: I wanted to go through the customs, but I didn't bring my pass-good! I had an idea!

I was in a hurry when I left Luoyang, so I forgot to ask for leave. It's a rule that you can't go through customs without relevant documents. This just gives Guanling Yinxi a chance. "Historical Records" records that "Guan Ling Yin Xi said,' My son will be hidden, for my book. "So I wrote a book, said more than five thousand words of morality, and he didn't know what his end was. "

The Tao Te Ching has been handed down since then, but we don't know where Laozi went.