Mahabharata 3.43.17
नातप्ततपसा शक्य एष दिव्यो महारथःद्रष्टुं वाप्यथ वा स्प्रष्टुमारोढुं कुत एव तु
nātaptatapasā śakya eṣa divyo mahārathaḥdraṣṭuṃ vāpyatha vā spraṣṭumāroḍhuṃ kuta eva tu
Our plain-language meaning of this verse is waiting for scholar review.