Mahabharata 12.258.29

नास्ति मातृसमा छाया नास्ति मातृसमा गतिःनास्ति मातृसमं त्राणं नास्ति मातृसमा प्रपा

nāsti mātṛsamā chāyā nāsti mātṛsamā gatiḥnāsti mātṛsamaṃ trāṇaṃ nāsti mātṛsamā prapā

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