Learn to practice and travel all over the world without fear.

Liberal arts is self-cultivation. If you think your quality is ok, just know a little about it.

Science is very important for a man. Science is the foundation of scientific development. Without physicalization, there is no science. From the early Warring States period, Mozi and Luban invented machinery, which brought us much convenience.

Everything you use is invented because of the existence of science.