Mahabharata 12.149.112

अनिर्वेदेन दीर्घेण निश्चयेन ध्रुवेण चदेवदेवप्रसादाच्च क्षिप्रं फलमवाप्यते

anirvedena dīrgheṇa niścayena dhruveṇa cadevadevaprasādācca kṣipraṃ phalamavāpyate

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