It's a well-known fact that English is a very popular language. People all over the world learn English and find it necessary. More then four hundred million people speak English as their native language and it is the official language in many countries. English is a language of politics and diplomacy, science and technology, business and trade, sports and music. It is very popular and studied in many schools and universities. So why learn it? Someone wants to work or study abroad, someone likes to travel and wants to travel around the entire planet and knowledge of English will help to understand other people from different countries. Some people just enjoy learning something new.So, why do I need the English language? The first reason is that English is an international language. Therefore, we should learn it to be able to understand others. The second reason is the English language can be useful in many professions, such as manager, programmer, businessman, advertiser and so on. And the third reason is being an educated person means knowing at least one foreign language.
Summing everything up I'd like to say that every person should know English.