KATHOPNISHADA CHAPTER 6 SHLOKA 18

                                                     मृत्युप्रोक्तान्नचिकेतोऽथ लब्ध्वा 

                                                     विद्यामेतां योगविधिं च कृत्स्नम् ।

                                                      ब्रह्मप्राप्तो विरजोऽभूद्विमृत्यु-

                                                -रन्योऽप्येवं यो विदध्यात्ममेव ॥ १८ ॥

                                MRUTYU  PROKTANI  NACHIKETO- ATHA LABDHVA

                               VIDHYAM  ETAM  YOGA -VIDHIM  CHA  KRUTASNAM |

                                    BRAHMA-PRAPTO  VIRAJO BHUD  VIMRUTYAR

                                     ANYO PYA  EVAM YO  VID  ADHYATAM  EVA ||18

NACHIKETA,HAVING BEEN SO INSTRUCTED BY LORD OF DEATHIN THIS KMOWLEDGE

AND WHOLW PEOCESS OF YOGA,(HE) BECAME FREE FROM  ALL IMPUTUITES AND                                                   DEATH,AND ATTAINED BRAHAMAN.

                   AND SO WILL BE TOO ATTAIN WHO KNOWS THUS INNER SELF.||18

This is the last of the SHLOkAS ,of this UPANISHADA. We are told the detail of the way to know the Inner Self and Brahman . And once that happens ,one is free of all impurities and attains eternity. In this shloka, we have on word VIRAJA- This means things that are attached to Rajas Guna. So when we do not act on Rajasic element which is relates to desires , we are free . To me it is also interesting that this discourse to have freedom from DEATH is given by Lord of Death . It is like examiner for our examination giving us tips to pass the examination. Or IRS agent giving us educations on Taxes and tell us how to not pay taxes - freedom from paying taxes. We want freedom from death  and who better to teach us that than The Lord of Death. So this is the end of the KATHOPNISHADA.