Kaṭha Upaniṣad 2.24.p5

2.24.p5

nanu uktaṃ smaraṇābhyāsapāṭavādeva tadbhavediti; satyam; tadeva durghaṭam, jānanto'pi bahavaḥ śāstratattvam anādivāsanādūṣitacetaso na uparamante duścaritāt paradāraparadravyaprasaṅgataḥ, apare ca gṛhamedhino grāmyabhogāt | apagatabāhyakaraṇapāṭavāḥ punarapare, kāmataḥ krodhato vā pratikṣaṇaṃ samunmiṣatsaṃkalpasahasrāḥ kiṃ kāmadoṣacintayā; svataścaṃcalamanasaśca sarve caṃcalaṃ hi manaḥ; tat yaśca duścaritāt avirataḥ, yo vā aśāntaḥ, yaśca aśāntamānasaḥ - asamāhitaśca yaḥ, sa kiṃ smaraṇābhyāsapāṭavamāpnuyāt śāstrajena jñānamātreṇa; kintu tadapi praṇaśyet vijñānam, kva paramātmāparokṣakathā vā, tatparamātmaprasādādṛte yatnaśatenā'pi anādivāsanākaluṣitacetasāṃ manasaḥ samādhānaṃ durghaṭam, asamāhitamanasāṃ smaraṇābhyāsaḥ tanmūlasākṣātkāraśca durghaṭaḥ, ato yamevaiṣa vṛṇute tena labhyaḥ iti bhāvaḥ | paramātmaprāptau paramātmaiva pradhānasādhanam ityuktaṃ bhavati | śrāvayiṣyati ca puruṣānna paraṃ kiṃcitsā kāṣṭhā sā parā gatiḥ (ka.u.3-11) iti | puruṣo'tra paramapuruṣaḥ |