Spiritual knowledge is a regular science. Just as two and two make four, similarly everything is clean and obvious here also and there is no scope for any kind of modification or change in that.
This book presents a comprehensive study of the major system of yoga, and contains a chapter on Surat Shabd Yoga. It is a pioneering work on comparative yoga.
First edition 1961
To read the complete book, please download the PDF "Crown of life" from Sant Kirpal Singh.