《中部》第一經，佛陀在 Ukkaṭṭhā 開示，逐一檢視當時各種關於「我」與涅槃的哲學見解，並將其與自身教法相對照。

The first discourse of the Majjhimanikāya, taught at Ukkaṭṭhā, in which the Buddha surveys various contemporary philosophical systems on the nature of self and nibbāna and contrasts them with his own teaching.