Śrāddha-kalpa: Dāna-phala-nirdeśa
Gifts in Śrāddha and Their Fruits
अन्नाद्भूतानि जायन्ते जीवन्ति प्रभवन्ति च / जीवदानात्परं दानं नान्यत्किञ्चन विद्यते
annādbhūtāni jāyante jīvanti prabhavanti ca / jīvadānātparaṃ dānaṃ nānyatkiñcana vidyate
From food beings are born, by food they live and thrive; no gift surpasses the gift of life (jīva-dāna).