Satguru Bodhinatha Veylanswami gives a presentation entitled "Advancing Through Life's Four Stages" which featured in the Jan/Feb/Mar 2013 Hinduism Today edition. In this presentation Bodhinatha explains how life is measured in four progressive stages, each of which is more fulfilling and rewarding than the former. Duties differ greatly as we progress through each stage, namely Brahmacharya, Grihastha, Vanasprastha and Sannyasa. Bodhinatha outlines the nature and purpose of each stage which last 24 years.