These are kept (in secrecy) by the celestials for their illusive energy is mysterious; those Brahmanas that have conquered their aspirations, those that have built up their hopes, those whose sins have been burnt down by ascetic observances, those who have got contented minds, can observe these.
रक्ष्यान्येतानि देवानां गूढमाया हि देवताः। कृताशाश्च व्रताशाश्च तपसा दग्धकिल्बिषाः। प्रसादैर्मानसैर्युक्ताः पश्यन्त्येतानि वै द्विजाः॥