"Faithful words" are words that are faithful and reliable, and must be based on truth. The words of the Taoist are simple and simple. His writing style is neither like poems and songs that express emotions, nor like eight-part essays that seek fame. Empty and beautiful words can also be handed down from generation to generation to make a name for themselves and invite pets to make a profit, but they can't reveal human nature and save people's lives. Laozi's writing style is simple and unpretentious, and there is no disease of "flattering" the world.
"Good people don't argue, and those who argue are not good".
The "goodness" here does not mean "benevolence" in a narrow sense, but goodness above Tao. The "theory" style of a wise man is to seek truth from facts thoroughly, which must be in line with "the road is simple and easy", and its purpose is to combine knowledge with practice in order to be effective. Therefore, we will not engage in complicated philosophy, and we will not play sophistry concept games to confuse people to win.