Mahabharata 13.149.3

यदि यत्नो भवेन्मर्त्यः स सर्वं फलमाप्नुयात्नालभ्यं चोपलभ्येत नृणां भरतसत्तम

yadi yatno bhavenmartyaḥ sa sarvaṃ phalamāpnuyātnālabhyaṃ copalabhyeta nṛṇāṃ bharatasattama

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