Mahabharata 12.138.45

अशङ्क्यमपि शङ्केत नित्यं शङ्केत शङ्कितात्भयं हि शङ्किताज्जातं समूलमपि कृन्तति

aśaṅkyamapi śaṅketa nityaṃ śaṅketa śaṅkitātbhayaṃ hi śaṅkitājjātaṃ samūlamapi kṛntati

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