28 yathaa nadyah syandamaanah

यथा नद्यः स्यन्दमानाः समुद्रेऽस्तं गच्छन्ति नामरूपे विहाय ।
तथा विद्वान्नामरूपाद्विमुक्तः परात्परं पुरुषमुपैति दिव्यम्
मुण्डकोपनिषत् ३.२.८

yathā nadyaḥ syandamānāḥ samudre’staṃ gacchanti nāmarūpe vihāya |
tathā vidvānnāmarūpādvimuktaḥ parātparaṃ puruṣamupaiti divyam
Mundakopanishad 3.2.8

As the flowing rivers merge into the sea abandoning individual names and forms so does the realised Knower, freed from name and form, reach the supreme self-effulgent (divyam) Purusha that is transcendental (beyond the highest).