Sit and look at the sky.

The next sentence of the word is "the head is the Tao"

"Watching the sky while sitting" is an idiom, which means sitting on a high place and observing the stars in the sky. Everything is clear and organized. It is often used to describe people who have a certain learning and understanding of astrology and divination and can clearly explain and expound various complicated truths or phenomena.

"Watching the sky" refers to observing the stars in the sky, which usually requires certain knowledge and skills, such as astronomical observation and divination, while "being wise" refers to being able to explain things very clearly and methodically, making people sound very clear.