觉音尊者应僧伽波罗长老之请所著的一部佛法总论，写作缘由是大寺僧众要求他先通过一场考验，方准其将僧伽罗文注释译成巴利文。

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.