I preached and preached, but I was helpless just because of the name of Tao. Because the Tao that Lao Tzu wants to express is born before heaven and earth and is the mother of all things. It is everywhere at all times, extremely powerful, yet silent and formless. It can only be perceived, not expressed. No wonder Laozi said, "I don't know its name. The word "Qiang" is called Tao, and the name given by Qiang is "Da". He also said, "Tao can be Tao, but it is not Tao; a name can be named, but it is not named." It can be seen that for the sake of "Tao", Lao Tzu is very helpless to use language and words to describe it.

French philosopher Henri Bergson’s famous saying “Language often violates thinking, and words often kill the spirit.” This may explain the reason for Lao Tzu’s “helplessness”.

Yes, it is difficult for thoughts and actions to be consistent. Some things (thoughts or thinking) can only be understood but not expressed. Just like Lord Buddha's "holding a flower and smiling". Bergson also has a famous saying: "Once fiery passion manifests itself in behavior, it will naturally solidify into cold data of interest or vanity." It also shows that thinking and passion, once turned into actual actions, will not be what they originally thought. So perfect, sometimes there are completely opposite fallacies. This is exactly what I am worried about.