TIPITAKA Volume 21 : PALI ROMAN Sutta Pitaka Vol 13 : Sutta. Aṅ. (2): catukkanipāto

[119] Cattārīmāni bhikkhave bhayāni katamāni cattāri jātibhayaṃ jarābhayaṃ byādhibhayaṃ maraṇabhayaṃ imāni kho bhikkhave cattāri bhayānīti.