觀無量壽佛經義疏 3.121

3.121

「『見此事已，名見無量壽佛極樂世界。是為普觀想，名第十二觀。』」雙結依正，故得普名。三、彰感應。

"‘Having seen this matter, it is called seeing the Sukhāvatī world of Amitāyus Buddha. This is the universal visualization, called the twelfth contemplation.’" It concludes both the environmental and primary rewards; therefore it receives the name "universal". Third, revealing the response.