Make a heart for heaven and earth, make a life for the people, link the past with the future, and create peace for all generations.

-This is a famous saying by Zhang Zai, a great scholar in the Northern Song Dynasty, which was called "Four Sentences in a Horizontal Canal" by Feng Youlan, a contemporary philosopher. Because of its simplicity and atmosphere, it has been praised by people throughout the ages. Zhang Zai believes that if people are born in the world, they should respect God's will, establish heaven, stand on the ground, establish people, be sincere, upright, have self-esteem, be knowledgeable, be reasonable, cultivate one's morality, keep a house in order, rule the country and level the world, and strive to reach the realm of sages.