Valmiki Ramayana 5.55.8
धिगस्तु मां सुदुर्बुद्धिं निर्लज्जं पापकृत्तमम् ।अचिन्तयित्वा तां सीतामग्निदं स्वामिघातकम्॥
dhigastu māṃ sudurbuddhiṃ nirlajjaṃ pāpakṛttamam |acintayitvā tāṃ sītāmagnidaṃ svāmighātakam ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book