Mahabharata 12.174.16

यथा धेनुसहस्रेषु वत्सो विन्दति मातरम्तथा पूर्वकृतं कर्म कर्तारमनुगच्छति

yathā dhenusahasreṣu vatso vindati mātaramtathā pūrvakṛtaṃ karma kartāramanugacchati

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