Well, the answer is simple. Knowledge of the language gives us many advantages. With the ability to communicate in a foreign language we can make new friends, to consider new job opportunities. This also makes it easier to learn other countries, their culture, literature. A much more pleasant sightseeing tours will be available in foreign countries. That is why it is worth to start learning a new language.
After a year in the language school Together I polished my knowledge of Polish and English, and found new friends and business partners. Thank you, Together!