स वा एष एतस्मिन्स्वप्नान्ते रत्वा च-रित्वा दृष्ट्वैव पुण्यं च पापं च पुनः प्रति-
In plain words
This very Self, once it has taken its pleasure in the dream, wandered through it, and watched both the good it has done and the harm, turns back the same way it came --
Close to the Sanskrit
This same [Self], having taken delight and wandered about in this state of dream, and having seen both merit and demerit, again, in the same manner --