"Bodhisattva! It turns out that what you are using is an ancient water-floating fish!... After you boil the iron needle until it is hot, and then cool it suddenly, it will float on the water in the bowl, almost pointing to the south... This is It’s an old method that’s been used for some years, but it’s easy to get inaccurate…”

"Oh! You still rely on the sun during the day and the stars at night to indicate the direction of the sea? Then write down the mountain peaks and rivers along the way, and the appearance of the seashore?... This is also a commonly used method... But, there is no

The content of this chapter is being updated...