Canonical Ref: RV 1.167.7
Sanskrit (Devanāgarī)
गुहा॒ चर॑न्ती॒ मनु॑षो॒ न योषा॑ स॒भाव॑ती विद॒थ्ये॑व॒ सं वाक् ॥३
Canonical CTS URN Reference
Ṛgveda Saṁhitā, RV 1.167.7. Poorvam Open Research Engine (PORE) Corpus.