Whose poem "Piercing into the Interior" comes from, and what does it mean?

The origin of this poem is unknown.

The original sentence is: the road ahead is long, and flogging will push you through the danger.

By urging, we can know that we are talking about horses, not poems about horses.

Commentary: The road ahead is too long and has no end. As soon as the whip was whipped, it passed through the dangerous place.

Horses are herbivores. Tamed by humans 4000 years ago. The horse of Przewalski's gazelle (66 chromosomes) and domestic horse (64 chromosomes) can cross to produce fertile offspring. In ancient times, horses were the main driving force of agricultural production, transportation and military activities. There are about 200 kinds of horses in the world. With the development of productive forces, the improvement of science and technology, the invention and wide application of power machinery, the role of horses in real life is becoming less and less. Horses are mainly used for equestrian sports and milk and meat production, and the feeding quantity is greatly reduced. However, in some developing countries and regions, horses are still mainly used for service and are an important source of service strength. The horse's staple food is grass.

Compendium of materia medica-horse

"Correction" and "Bielu" are top-grade mare's milk, and now they are combined into one. ?

According to Xu Shenyun, horses are martial arts. Its characteristics are like the shapes of head, tail and feet. The stallion said (sound quality), said; Horse, horse, horse and grass. Castration is called qi. One-year-old Yue (Yin Xian), two-year-old Yue Ju, three-year-old Yue (Yin Tao) and eight-year-old Yue. There are many names and colors. See Er Ya and Shuo Wen for details. Brahma called the horse Ashwa. ?

"Set Solution" and "Don't Record" say: The horse is out of the cloud, and it is peaceful. ?

Hongjing said: there are many colors of horses, and pure white is the medicine. His mouth, eyes and hooves are all white, and there are two or three customs. Small use does not have to be detained. ?

Shi Zhen said that "Don't record" is better with horses in the clouds. In the clouds, today's Datong House is also. Generally speaking, the northwest horse wins, and the southeast horse is weak. The horse was born in December. Its year is distinguished by teeth. It was a fire among livestock, and it was noon in the morning. Or cloud: in divination, it belongs to gold. The horse's eyes shine all over the body and its teeth are the least; The closer the light is, the bigger the teeth are. The horse eats Du Hengshan, the rice is heavy, the rat excrement is bloating, and the chicken excrement is boring. Like stiff silkworms and ebony, they don't eat after brushing their teeth, and mulberry leaves are the solution. I won't eat the skins of mice and wolves hanging in the trough. The hippocampus is not. Feed the horse in the pigsty and forge a manger with stone mud. The horse will sweat on the door and make it fall. It's the macaque in the stable. It's the horse's disease. Of course, this is all physics. ?