If a man of real sensitivity and correct reasoning feels concerned about the evil and injustice of the world, he naturally seeks to correct it first where it manifests itself closest to home, and that, he will find, is in his own being. The task will take him his whole lifetime. For us everything lies in our concept of the world; changing our concept of the world means changing our world, that is, the world itself, since it will never be anything other than how we perceive it.
