Language is not only at the center of the intellectual universe but also of human life. It is one of the most important ways to express our negative or positive feelings for people, it is vital to achieve many of our goals and careers, it is a source of artistic satisfaction of simple pleasure. People use language for many different purposes such as planning our lives and remembering our past, exchanging experiences, thoughts, ideas and emotions and we identify with people who speak the same language. Some people in the community are able to do this in more than one language. Knowing another language can often boost your career, get you a better job, the chance to get an education, the ability to take part more fully in the life of your country, or the opportunity to emigrate to another, the best way to broaden their literary and cultural knowledge. horizons, the expression of one's political rights or religious opinions. It affects people's careers and possible futures, their lives and every identity. In a world where probably more people speak two languages ​​than speak one, language learning and teaching is vital to the daily lives of millions of people. The reasons why one thinks about the second language depend on the reasons for educational purposes, which vary from one to another. from one country to another and from one period to another. One of the main purposes of language teaching is to help people think better: to train the brain and logical thinking. On the other hand, increase the student's self-awareness and maturity and so on. There is plenty of evidence to support the goal of brain training, for example people who speak multiple languages ​​usually think they are more relevant than monolinguals. It's not for the teacher, I... in the center of the paper......solve problems and are better able to distinguish the meaning of shapes.4) General educational valuesJust as sport is used to train children to work in a team and promote leadership qualities, so that L2 teaching can inculcate moral values. L2 learning provides pupils with an understanding of themselves and their culture…….In short, there are various languages ​​in the world in which we speak, listen and think, which are shaped by our culture, experiences, professions, personalities, customs and attitudes. The chance to meet someone else who speaks exactly the same language gives us the opportunity to understand and be understood. Hundreds of years ago the Prophet Muhammad said: "A man who speaks one language is one man, a man who speaks two languages ​​is worth two men, a man who speaks three is worth all humanity" shows the immutable importance of teaching and learning foreign languages.