Valmiki Ramayana 7.2.34

श्रुतिमान्समदर्शी च व्रताचाररतस्तथा ।पितेव तपसा युक्तो ह्यभवद्विश्रवा मुनिः॥

śrutimānsamadarśī ca vratācāraratastathā |piteva tapasā yukto hyabhavadviśravā muniḥ ||

Our plain-language meaning of this verse is waiting for scholar review.