The book is divided into four parts. Part I deals with "Western admirers of Sri Ramakrishna", Part II with "Western admirers of Sri Sarada Devi", Part III with Western admirers of Swami Vivekananda", and Part IV with "Western admirers of the other disciples of Sri Ramakrishna"
If a piece of burning charcoal be placed on a man's head, see how he struggles to throw it off. Similar will be the struggle for freedom of those who really understand that they are slaves of nature.
-Swami Vivekananda