In this era , many people are learning a foreign language so as to do what they want such as going abroad,improving speaking and communication skills and cognitive abilities.Therefore,many ranges of languages are being learnt by many individuals because of these valid reasons.Some societies assert that humanities had better observe another language in order to go overseas whereas other humanity claims that people who want to enhance their cognitive skills must know several different languages.From my point of view all people had better learn a foreign language in order to enhance their cognitive skills because if people have a developed brain ,these people accomplish oodles of desires and wishes in their lives.This essay will be discussed herewith both these ideas.