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"
Work unto death -- I am with you, and when I am gone, my spirit will work with you. This life comes and goes -- wealth, fame, enjoyments are only of a few days. It is better, far better, to die on the field of duty, preaching the truth, than to die like a worldly worm. Advance!
-Swami Vivekananda