That man who having fasted, for eighteen days, eats only one meal on the nineteenth day and acts thus for a full year, succeeds in perceiving all the seven regions of the universe.
एकोनविंशतिदिने यो भुङ्क्ते एकभोजनम्॥ सदा द्वादशमासान् वै सप्तलोकान् स पश्यति।