पुष्पमूलफलैर्वाऽपि केवलैर्वर्तयेत् सदा । कालपक्वैः स्वयं शीर्णैर्वैखानसमते स्थितः ॥ २१ ॥
Or he may constantly subsist on flowers, roots, and fruit alone, which have been ripened by time and have fallen spontaneously, following the rule of the (Institutes) of Vikhanas.