Helps in understanding the nature and intensity of personal effort that is required for an all-inclusive work on oneself. This book presents a series of talks which the author gave to his pupils in New York in 1930, and an incomplete essay on 'The Outer and Inner World of Man'.
- Limba : Engleza
- Data Publicarii : 25 Feb 1999
- Format : Paperback
- Numar pagini : 192
- ISBN : 9780140195859