Many define the language, in various phrases with various modifiers, as a tool of communication. However, not all the language is communicated and the language is generated before the communication. We have no words to communicate without thinking, whose concrete act is to choose the words. Therefore, cognition and language have the same origin. We the human beings have language to recognize and dominate the world, including our own mind. This is the reason why we have reason and language. Language is not merely a tool of communication, but it is indispensable to have reason and to be a Homo...