ॐ तत्पुरुषाय विद्महे महादेवाय धीमहि तन्नो रुद्रः प्रचोदयात ।
Om Tatpurushaay Vidmahe Mahadevaay Deemahi Tanno Rudrah Prachodayat
Meaning – Om, Let me meditate on the great Purusha, Oh, greatest God, give me higher intellect, and let God Rudra illuminate my mind.