It admits the limits of self-power and accepts being received by another.
Pure Land has the lowest barrier to entry in Buddhism and the largest number of people inside it.
The judgement underneath it is cool-headed. For the great majority of people, in this life and in these conditions, the odds of reaching awakening under their own power are very low. Rather than grind away at a gate that will not open, Pure Land concedes the point and takes another road.
The core structure is three words: faith, aspiration, practice. Trust that Amitābha's original vow holds (faith), resolve to be reborn in the Land of Bliss (aspiration), recite the name (practice). All three are required. Recitation with no faith and no aspiration does not count on the traditional reading.
The theory rests on "other-power" and "the easy path". Nāgārjuna's Daśabhūmika-vibhāṣā divides practice into a hard road and an easy one, and Tanluan used that division to fix where Pure Land sits. It changes how the force is applied. It does not lower the standard. You can swim a river or take the boat, and taking the boat is not cheating.
A detail that usually gets skipped: Shandao makes the deciding factor in rebirth "riding on the power of the Buddha's vow" rather than the depth of the practitioner's own attainment. That makes Pure Land a rare thing in Buddhism, a path that does not filter people by their capacity to practise. It is the basic reason the school reaches so many.
The shortest of them, an hour to read. It describes what the Land of Bliss looks like and how to hold to the name. Start here.
The forty-eight vows Amitābha made while he was still the monk Dharmākara. The whole doctrinal base of Pure Land sits inside those vows, the eighteenth above all.
The method of the sixteen visualisations, and the nine grades of rebirth. "This mind makes the Buddha, this mind is the Buddha" comes from here.
The point at which Pure Land turned from popular devotion into a tightly built body of doctrine. If you want to understand Pure Land seriously, there is no way around Tanluan.
The high point of East Asian Pure Land doctrine, and the direct source of the Honen and Shinran line in Japan.
The correspondence of the thirteenth patriarch Yinguang (1862–1940). Relentlessly practical, and mostly answers to the concrete difficulties of ordinary people.
Saying "Namo Amituofo". The variants include counted recitation, the ten-recitation method, rapid continuous recitation, vajra recitation (lips moving, no sound) and silent recitation. Functionally it is also a minimal attention anchor. Same category as counting the breath, and more convenient with it: you can keep it running while walking, queueing or waiting for a lift.
The sixteen contemplations of the Contemplation Sutra, visualising the Land of Bliss and its inhabitants in detail. Far harder than reciting the name, and historically few people actually did it.
Seven days running of nothing but nianfo. One of the commonest forms of group practice in East Asian monasteries.
The practice that belongs to Pure Land alone, and the point at which it took deepest root in ordinary life. A whole theory about the state of mind at the moment of death sits behind it.
On the record: Pure Land in China was never a school with its own monasteries, its own ordination and its own teacher-to-student lineage.
In East Asia it is a practice that runs across all the schools. Monks from Tiantai, from Chan (Zen) and from the Vinaya school all practised it, and a great many patriarchs held several affiliations at once. The list of "thirteen Pure Land patriarchs" was assembled after the fact and is a genealogy of ideas rather than a transmission lineage. Pure Land became an institution with an order of its own in Japan, as Jodo-shu and Jodo Shinshu.
A second point: Pure Land promises nothing in this life. Its entire content concerns rebirth. Using the name to ask for a promotion or for money is picking up the wrong tool.
Read the Smaller Sukhāvatīvyūha Sutra first, an hour. Then read the letters in the Collected Letters of Master Yinguang, taking whichever ones speak to you. Only selections of them have been translated into English. They are the Pure Land texts closest to an ordinary person's situation.
If you cannot get past the question of whether there really is a Land of Bliss, look first at section 05 of the front page, where the two readings, a really existing Pure Land and a Pure Land of mind alone, are set side by side. Both exist inside the tradition. You do not have to choose now.