覺音尊者應僧伽波羅長老之請所著的一部佛法總論，寫作緣由是大寺僧眾要求他先通過一場考驗，方準其將僧伽羅文註釋譯成巴利文。

A comprehensive treatise on the Buddha’s teaching written by Buddhaghosa at the request of the elder Saṅghapāla, composed to satisfy a test set by the monks of the Mahāvihāra before he was permitted to translate the Sinhalese commentaries.