Overcoming unhappiness and in succession attaining satisfaction, happiness, nirvana and parinirvana is a process of gaining knowledge of the self. And one must learn what the self is.

And the self falls under these main topics:

The self is the self.

The self is unhappiness.

The self is satisfaction.

The self is happiness.

The self is nirvana.

The self is parinirvana.

The self becomes selflessness.

The self is the self is.

The self is that I am the self.

The self is the growth of the self.

The self is the states of the self.

The self is the relationships of the self.

The self is the influences of the self.

The self is the formations of the self.

The self is the forms of the self.

The self is the characteristics of the self.

The self is the emotional responses of the self.

The self is the desires of the self.

The self is the conditions of the self.

The self is the feelings of the self.

The self is the thoughts of the self.

The self is the behaviors of the self.

The self is the attitudes of the self.

The self is the dispositions of the self.

The self is the memories of the self.

The self is the consciousness of the self.

The self is the experiences of the self.

The self is the perceptions of sight.

The self is the perceptions of hearing.

The self is the perceptions of smell.

The self is the perceptions of touch.

The self is the perceptions of taste.

The self is knowledge of the self.

These topics are further explained and defined in my book titled Knowledge of the Self.