觀無量壽佛經義疏 3.68

3.68

"[The Buddha said:] 'Therefore, the wise should focus their minds and attentively contemplate the Buddha Amitāyus.'" "The wise" refers to those who cultivate contemplation themselves. Relying on the preceding contemplation method is "attentive contemplation." Because cultivating this contemplation yields rebirth and the realization of patience, with deep efficacy and immense benefit, one is exhorted to focus the mind. Thus in the Pratyutpanna Sūtra, sentient beings ask the Buddha: "By what cause and condition does one attain rebirth in this land?" Amitāyus replies: "By cultivating the buddhānusmṛti-samādhi, one attains rebirth in that land." Second, teaching the entry point, which has two parts: first, contemplating a single mark; second, contemplating a single Buddha. First, contemplating a single mark.