Forsooth, the observance of fasts, is always the duty of the Brahmana. When the Brahmana succeeds in properly observing all his duties, he becomes at one with Brahma.
उपवास: सदा धर्मो ब्राह्मणस्य च संशयः। स हि धर्मार्थसम्पन्नो ब्रह्मभूयाय कल्पते॥