They should during the rains, expose themselves to rain and go to water during the autumn. In summer, they should sit in the midst of four fires with the sun burning overhead. Throughout the year, however, they should be sparing in deit.
अभ्रावकाशा वर्षासु हेमन्ते जलसंश्रयाः। ग्रीष्मे च पञ्च तपसः शश्वच्च मितभोजनाः॥