By subsisting for a long time on powdered barely unmixed with any liquid, and by taking only one meal a day, the Yogin, of purified soul gains Yoga-power.
भुजानो यावकं रूक्षं दीर्घकालमरिंदम्। एकाहारो विशुद्धात्मा योगी बलमवाप्नुयात्॥