 यदि भुक्तमिहान्येन देहमन्यस्य गच्छति।दद्यात्प्रवसत श्श्राद्धं न तत्पथ्यशनं भवेत्।। 
 If something eaten by one in this world can enter the body of another, then a shraddha can be performed for a person who has set out on a distant journey. Will that offering turn into food for him on his way? 