Shuka said If one acquires an understanding cleansed by study of the scriptures and true conceptions of all things, and if the heart succeeds in freeing itself permanently from the effects of all pairs of opposites, is it still necessary for such a person to follow one after another, the three modes of life called Brahmacharya, Garahastya, and Vanaprastha.
शुक उवाच उत्पन्ने ज्ञानविज्ञाने निर्द्वन्द्वे हृदि शाश्वते। किमवश्यं निवस्तव्यमाश्रमेषु भवेत् त्रिषु॥