A Guide to Spiritual Life - Spiritual Teachings of Swami Brahmananda
Swami Chetanananda
Readers of this book will feel that these teachings have come straight from the heart of Swami Brahmananda, the spiritual son of Sri Ramakrishna. The swami was a spiritual dynamo and he taught with authority.
My child, what I want is muscles of iron and nerves of steel, inside which dwells a mind of the same material as that of which the thunderbolt is made.
-Swami Vivekananda