Mahabharata 3.58.27

न च भार्यासमं किंचिद्विद्यते भिषजां मतम्औषधं सर्वदुःखेषु सत्यमेतद्ब्रवीमि ते

na ca bhāryāsamaṃ kiṃcidvidyate bhiṣajāṃ matamauṣadhaṃ sarvaduḥkheṣu satyametadbravīmi te

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