Kaṭha Upaniṣad 5.3

5.3

kathaṃ punarviśvamūlatvena brahmāstitvaṃ bravīṣi ? asataḥ saddhetutvāvagamāt, “asataḥ sajjāyeta” iti śruteḥ asadeva brahmetyāśaṃkyāsataḥ saddhetutvābhāsānuvādiśruteḥ “sadeva somyedamagra āsīt” ityādiśrutibādhitatvena viśvamūlaṃ brahmāmyeṣva | yadvijñānasamakālamamṛtatvaṃ śrūyate tadastītyavagantavyamityāha— yadidaṃ iti | satyeva prāṇe paramakāraṇabhūte brahmaṇi yatkiñca kiñcit idaṃkārgyaṃ jagat sarvaṃ acetanamapi ejati calati | tattata eva niḥsṛtaṃ mat niyamena pracalati | tadetajjagatkāraṇam | mahadbhayaṃ mahacca tat bibhetyasmāditi bhayaṃ ceti vajramudyataṃ vajrodyatakarendraśāsanabhṛtyavat seśvaraṃ jagadaviśrāntaṃ svavyāpṛtau pravartate | tatpravṛttinimittaṃ brahma astyeva | pravartanīyaviṣayābhāvatastannimittāpāye nirnimittaṃ niṣpratiyogikabrahmamātramavaśiṣyata iti ye brahmavidvarīyāṃso viduretat brahma tadvedanasamakālaṃ te'mṛtāḥ videhamuktā bhavanti ityarthaḥ | 'jñānasamakālameva muktaḥ” iti śruteḥ |
brahmajñānānmuktiḥ tadajñānādvandhaśca