परप्रेमास्पदतया मा न भूवमहं सदा ।भूयासमिति यो द्रष्टा सोऽहमित्यवधारय ॥ २५ ॥
In plain words
Because the self is the ultimate home of all love—expressing itself as the constant prayer 'May I never cease to exist, may I always be'—the witness behind this longing is who I am. Know this with absolute certainty.
Close to the Sanskrit
Because he is the abode of supreme love—thinking 'May I never not be, may I always exist'—the seer who is this is I; ascertain this.