ŚiraUpan, 1, 1.1 oṃ devā ha vai svargalokam āyaṃs te rudram apṛcchan ko bhavān iti /

ŚiraUpan, 1, 36.3 eko rudro na dvitīyāya tasmai ya imāṃl lokān īśata īśānībhiḥ /

ŚiraUpan, 1, 44.2 ucchvasite tamo bhavati tamasa āpo 'psv aṅgulyā mathite mathitaṃ śiśire śiśiraṃ mathyamānaṃ phenaṃ bhavati phenād aṇḍaṃ bhavaty aṇḍād brahmā bhavati brahmaṇo vāyuḥ vāyor oṃkāraḥ oṃkārāt sāvitrī sāvitryā gāyatrī gāyatryā lokā bhavanti /