Brahmajala Sutta - The All-embracing Net of Views - Verse 36
Having understood as they really are the origin and the passing away of feelings, their satisfaction, their unsatisfactoriness, and the escape from them, the Tathāgata, bhikkhus, is emancipated through non-clinging.
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Bhikkhus! Since the Tathagata rightly knows the arising of feeling (vedana) and its cause, the cessation of feeling and its cause, its pleasantness, its faults, and freedom from attachment to it, he becomes liberated without any clinging, (i.e., he realizes Nibbana).