Verse 15

चेतनीयोन्मुखी चेत्यं चिन्मनस्तामुपाययौ ।द्वित्वं मुकुरसंक्रान्ता मुखश्रीरिव राघव

In plain words

Turned toward the cetanīya [that which is to be cognized], cit came to the cetya, to the state of manas, to duality, O Rāghava -- as the beauty of a face, passing into a mirror, becomes two.