In the ancient times, there were wise men and women, with ingenious thinking, and they were determined to understand all things. They are also in things, scrutinizing the physical properties in detail, and exhausting their reasons in order to apply them.

Watching the work of a hundred workers, each has its own essence. Metallurgists, distinguishing the advantages and disadvantages of minerals, and the speed of cooking and heat, so that the materials of gold and iron can be turned into sharp weapons for the benefit of civilian use. Pottery makers, choose the delicacy of clay, the delicacy of the shape of the billet, and temper it through kiln fire, and make beautiful utensils for daily use.

In farming, I am also quite attentive. Observing the changes in the sky, knowing the appropriate location, choosing good seeds, working hard, and obtaining abundant grain in time to feed the people.

In the art of weaving, the essence of silk and linen is collected, the order of warp and weft is processed, and the splendid cloth and silk are woven for the needs of clothing.

As for the work of construction, choose the location, find the strength of the structure, decorate it with carving and painting, and build houses to keep people safe.

These are all wise people with their wisdom and ingenuity, open things and make things happen, so that everything is wonderful, benefit the current world, and pass it on to future generations.