Mahabharata 3.181.40

कृत्वैव कर्माणि महान्ति शूरा;स्तपोदमाचारविहारशीलाःदेवानृषीन्प्रेतगणांश्च सर्वा;न्संतर्पयित्वा विधिना परेण

kṛtvaiva karmāṇi mahānti śūrā;stapodamācāravihāraśīlāḥdevānṛṣīnpretagaṇāṃśca sarvā;nsaṃtarpayitvā vidhinā pareṇa

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