Īśopaniṣad Mantra 12 · ईशोपनिषद् मन्त्र 12
अन्धं तमः प्रविशन्ति येऽसम्भूतिमुपासते । ततो भूय इव ते तमो य उ सम्भूत्यां रताः ॥
andhaṁ tamaḥ praviśanti ye 'sambhūtim upāsate | tato bhūya iva te tamo ya u sambhūtyāṁ ratāḥ ||
Meaning
Into blinding darkness they enter who worship asambhūti (the unmanifest alone); into greater darkness still, they who delight only in sambhūti (the manifest alone).