What forces do Heaven, Tunnel and Humanity represent respectively?

What is heaven? What is a tunnel? What is human nature? What do you mean by heaven, earth and man? "Heaven" mainly refers to the atmosphere and climate; "Land" mainly refers to geological geography, including geotechnical and mineral resources; "Man" mainly refers to human beings living on the earth, and broadly includes all living things. The world is full of wonders, unpredictable, and life experiences vary widely. Can heaven and earth live in harmony? As the spirit of all things, can man enter the realm of observing astronomy and geography and understanding the feelings of all things?

Tao can be said to be otherworldly, Tao is not clear, and no one can explain that heaven is not as good as manpower. The heart is regular, the heart is sincere, and the heart determines that the Tao is humane ~

Man, law, earth, heaven, law, Tao and Tao naturally circulate, contain each other and pursue Tao, which is the essence of the three laws.