《經集》〈大品〉第十二經，佛陀於滿月之夜宣說，闡明對苦及其生起的觀照，與對苦滅及導向苦滅之道的觀照這兩種隨觀。

The twelfth sutta of the Mahā Vagga in the Suttanipāta, delivered by the Buddha on a full-moon night, expounding the twofold contemplation of suffering and its origin alongside the cessation of suffering and the path to it.