佛說盂蘭盆經疏 2.30

2.30

二、正宗分（二）。正宗分，文分為二：初目連悲陳苦厄、二如來廣示因緣。

Second, the main section (two parts). The main section is divided into two: first, Maudgalyāyana sorrowfully recounts her distress; second, the Tathāgata broadly explains the causes and conditions.