It is very important to generate a good attitude, a good heart, as much as possible. From this, happiness in both the short term and the long term for both yourself and others will come.
It is very difficult to be like the other guy, to be ordinary. Mediocrity takes a great deal of energy. But to be ourselves is very easy. You don't have to do a thing.
Freedom, individualism and being yourself so long as you don't hurt another's physical person or property: The true artist is a man who believes absolutely in himself, because he is absolutely himself.