Valmiki Ramayana Sundara Kanda Sarga 53 Shloka 38
Original Shlokaसीतायाश्चानृशंस्येन तेजसा राघवस्य च।।5.53.38।। पितुश्च मम सख्येन न मां दहति पावकः।
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सीतायाः Sita's, अनृशंस्येन by the steadfast chaste character, राघवस्य Rama's, तेजसा by lustre, मम पितुः my father's, सख्येन with friend, पावकः fire, माम् me, न दहति not burning.
'Because of Sita's steadfast loyalty, Rama's power and my father's friendship with the Firegod, the fire is not burning me.'