無量壽經優婆提舍願生偈註 2.107

2.107

[The Upadeśa says:] “What are the four? First, in a single buddha-land their bodies do not move, yet they pervade the ten directions with various responsive transformations, practicing in accordance with reality and constantly performing the Buddha's work. Because the verse says: ‘The Land of Peace and Bliss is pure; / the unstained wheel is constantly turned. / The transformed buddhas and bodhisattvas, like the sun, / sustain like Mount Sumeru,’ / in order to unfold the mud-dwelling blossoms of all living beings.”