KeU 4.9
यो वा एतामेवं वेदापहत्य पाप्मानमनन्ते स्वर्गे लोके ज्येये प्रतितिष्ठति प्रतितिष्ठति
He who knows this (wisdom of the Upanishad), having been cleansed of all sin, becomes established in the blissful, eternal and highest abode of Brahman, in the highest abode of Brahman.
Translated by Swami Paramananda
'He who knows this Upanishad, and has shaken off all evil, stands in the endless, unconquerable world of heaven, yea, in the world of heaven.'
Translated by F. Max Müller