Nowadays, it is strongly believed by masses, that individuals ought to have friends, who have the same way of logical thinking and almost identical ideas. At the same time, some people are sure that friends have to argue with them and have their own viewpoint. Therefore, from my perspective, as a person, who has many friends with different opinions, I believe that people should build friendships with others only if their views on life are opposite . In the following paragraphs, I will describe both sides and provide my own ideas and viewpoint.