Mahabharata 1.148.2
ब्राह्मण उवाच · brāhmaṇa uvāca
उपपन्नं सतामेतद्यद्ब्रवीषि तपोधनेन तु दुःखमिदं शक्यं मानुषेण व्यपोहितुम्
upapannaṃ satāmetadyadbravīṣi tapodhanena tu duḥkhamidaṃ śakyaṃ mānuṣeṇa vyapohitum
Our plain-language meaning of this verse is waiting for scholar review.