Mahabharata 5.61.2

मिथ्या प्रतिज्ञाय मया यदस्त्रं; रामाद्धृतं ब्रह्मपुरं पुरस्तात्विज्ञाय तेनास्मि तदैवमुक्त;स्तवान्तकालेऽप्रतिभास्यतीति

mithyā pratijñāya mayā yadastraṃ; rāmāddhṛtaṃ brahmapuraṃ purastātvijñāya tenāsmi tadaivamukta;stavāntakāle'pratibhāsyatīti

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