p. 303
य एवंरूपः प्रज्ञानैकरसब्रह्मस्वरूपः सन्नास्ते, स आत्मा महान् संपद्यते ब्रह्मैव संपद्यत इत्यर्थः ।पावकम् अग्निं सर्वोपसंहाररूपं कारणं सकारणं कार्यं गिरन् स्वात्मन्युपसंहरन् यो वै तं पुरुषं ज्ञानैकरसं पुरुषं पूर्णं पुरिशयं वेद ‘अयमह
In plain words
The one who stands as this — whose own being is Brahman, and Brahman has one savour only, awareness — he reaches the great Self; that is, he reaches Brahman itself. That is what the line means. 'Pāvaka' is fire: the cause into which everything is drawn back. He swallows the effect together with its cause — swallows, meaning he gathers it all into his own Self. And whoever knows that Puruṣa — the Puruṣa whose single savour is knowing, complete, lying within the city of the body — knows 'this I…'
Close to the Sanskrit
He who, being of such a form — his very nature the Brahman whose single savour is pure consciousness — abides so: he, the great Self, is attained; Brahman itself is attained. This is the meaning. 'Pāvaka' means fire; the cause whose nature is the withdrawal of everything, the effect together with its cause, 'swallowing' — that is, drawing it into his own Self: he who indeed knows that Puruṣa, the Puruṣa whose one savour is knowing, full, lying in the city, [knows] 'this I…'