Mahabharata 12.109.22

येन प्रीताश्च पितरस्तेन प्रीतः पितामहःप्रीणाति मातरं येन पृथिवी तेन पूजिता

yena prītāśca pitarastena prītaḥ pitāmahaḥprīṇāti mātaraṃ yena pṛthivī tena pūjitā

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