|Nirvana is the deathless, the peaceful, bliss.|
(2) Ven. Nyanatiloka: "Verily, there is an Unborn, Unoriginated, Uncreated, Unformed. If there were not this Unborn, Unoriginated, Uncreated, Unformed, escape from the world of the born, the originated, the created, the formed, would not be possible" (Ud.VIII.3).
(3) John D. Ireland: "There is, [monastics], a not-born, a not-brought-to-being, a not-made, a not-conditioned. If, [monastics], there were no not-born, not-brought-to-being, not-made, not-conditioned, no escape would be discerned from what is born, brought-to-being, made, conditioned."
Note 1. Some scholars have argued that the term "unborn" (ajātaṃ) cannot be used to distinguish nirvana [("unbinding") the separation of a phenomenon, such as fire, from its supports, such as fuel] from samsara (endless rebirth), as there are discourses (such as SN 15.3) stating that samsara (the "continued wandering on" through the Wheel of Life and Death) itself has no beginning point, implying that it, too, is unborn.
Note 2. Iti 43 gives this exclamation as the synopsis of a Dharma talk followed by this verse:
The escape from that