It is essential to study language by tracing back the phases when language was first studied. What is meant by language is always human language, as animals have no language, though they communicate to each other. As animal symbolicum, human beings have symbolized realities by using language. This brings to succeed to add human knowledge. Knowledge can add through language. Due to the importance of the essence of language, it is not only useful, but also important to study the periods when and by whom language is scientifically studied.