Mahabharata 12.209.17

तपो ह्यधिष्ठितं देवैस्तपोघ्नमसुरैस्तमःएतद्देवासुरैर्गुप्तं तदाहुर्ज्ञानलक्षणम्

tapo hyadhiṣṭhitaṃ devaistapoghnamasuraistamaḥetaddevāsurairguptaṃ tadāhurjñānalakṣaṇam

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