The document discusses several reasons why learning English is beneficial: 1) It provides access to knowledge from most websites, books, news reports, and science texts written in English; 2) English is the most common language of global communication, spoken by over 1.5 billion people worldwide; 3) Knowing English can help advance one's career by including it on resumes and gaining technical skills; and 4) Being proficient in English allows one to enjoy art forms like films, books, and music in their original language and communicate more easily with foreigners.