Dr sirikorn  amalitwarin : In the 19th century, Ludwig Wittgenstein reformulated the philosophical position that Pure philosophy must consider reality as existing in its natural state and continually existing. We understand reality in parts using the Grammar of Concept as a tool. Different people have different grammar errors. But people in the same group often have similar grammars and ideas. The similar parts are social grammar Both have philosophical insight (Epistemology) That is, we have no way of knowing the reality of ourselves. We know only a picture of reality. (representation of reality) Attempting to present metaphysics as the beginning of systematic thinking is a waste of time because it is impossible to know all of reality. But emphasis should be placed on entering the language in order to understand social grammar. And you must know each language game in order to be able to judge whether it has meaning or not. If there is, then try to study the depth and depth of the meaning until you find the value of that meaning...(click)