觀無量壽佛經義疏 3.13

3.13

「『佛當為汝分別解說除苦惱法。』」娑婆眾苦非觀佛三昧無由可脫，名脫苦法。三界為苦器，六道是苦報。三、重囑。

"‘The Buddha shall now analyze and explain for you the Dharma for eliminating suffering and affliction.’" The many sufferings of Sahā cannot be escaped without the contemplation-of-the-Buddha samādhi; thus it is called the teaching for escaping suffering. The three realms are the vessel of suffering, and the six destinies are the retribution of suffering. Third, repeating the entrustment.