आत्म-ध्यायी मिताहारी यावद्द्वादश-वत्सरम् ।
सदा सिद्धासनाभ्यासाद्योगी निष्पत्तिमाप्नुयात् ॥ ४२॥

Ātmadhyāyī mitāhārī yāvaddvādaśavatsaram Sadā siddhāsanābhyāsādyogī nishpattimāpnuyāt

By contemplating on oneself, by eating sparingly, and by practising Siddhâsana for years, the Yogî obtains success.