Friendship is essential for the existence of society. People live in communities and work in co-operation so that they could protect themselves from nature. The successful accomplishment of any task calls for support from many people. It’s the friends who are willing to help us. Friendship is a guarantee of harmonious efforts.
In the widest sense, all people are friends. People live in a common society, co-operating and helping each other directly or indirectly all the time. From this respective, anyone could be a friend of others to a certain degree. And it’s this kind of friendship that makes society harmonious though competition is universal.
A friend in need is a friend indeed. Unfortunately, people are so complex in the modern society due to various reasons. Sometimes, we don’t really know who are our real friends. Adversity is the touchstone of friendship. That is to say, in hard times, it is easy for us to test whether the friendship is ture or not. No matter what happens, a true friend will never leave you alone and will always be with you.