Valmiki Ramayana 5.51.45
ब्रह्मा स्वयम्भूश्चतुराननो वा रुद्रस्त्रिनेत्रस्त्रिपुरान्तको वा ।इन्द्रो महेन्द्रः सुरनायको वा त्रातुं न शक्ता युधि रामवध्यम्॥
brahmā svayambhūścaturānano vā rudrastrinetrastripurāntako vā |indro mahendraḥ suranāyako vā trātuṃ na śaktā yudhi rāmavadhyam ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book