Mahabharata 5.122.36

उपायं धर्ममेवाहुस्त्रिवर्गस्य विशां पतेलिप्समानो हि तेनाशु कक्षेऽग्निरिव वर्धते

upāyaṃ dharmamevāhustrivargasya viśāṃ patelipsamāno hi tenāśu kakṣe'gniriva vardhate

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