तामिमां प्रजहाम्यन्तः संकल्पकलनामिति ।निर्णीयोमिति शान्तात्मा तिष्ठाम्यात्मनि मौनवत्
In plain words
'This fashioning that is saṃkalpa -- I cast it off within': having determined thus, [saying] 'Om', with tranquil self I abide in the ātman, as one keeping silence.