As long as the earth remains moist with the water touched by the feet of a Brahmana, so long do the Pitris drink water from the lotus leaves.
द्विजपादोदकक्लिन्ना यावत् तिष्ठति मेदिनी। तावत् पुष्करपर्णेन पिबन्ति पितरो जलम्॥