C536 The Great Way of the World

What Leng Feng understood wasn't the principle of metal, but the fact that he was wrong from the very beginning.

He shouldn't have studied metal first, but earth.

If the sky did not have earth, it could not cover the earth.

If the earth didn't have earth, then it couldn't withstand all things on the ground, nor could the grains of grain grow.

If a person did not have earth