That man who having fasted for seventeen days, takes only one meal on the eighteenth day, and acts thus for a whose year, succeeds! in seeing the seven regions of the universe.
अष्टादशे यो दिवसे प्राश्नीयादेकभोजनम्॥ सदा द्वादशमासान् वै सप्तलोकान् स पश्यति।