觀無量壽佛經疏 3.127

3.127

九、從作此觀者下，至得無生忍已來，正明捨身他世得生彼益也。

Ninth, from "Those who make this contemplation" down to "attaining the forbearance of the non-arising of dharmas," it properly explains abandoning the body for another world and attaining the benefit of being born there.