In Theravada Buddhism, anupubbikathā or ānupubbikathā (Pali) – variously translated as "gradual discourse," "gradual instruction," "progressive instruction," and "step-by-step talk" – is a method by which the Buddha taught the Dhamma to suitably receptive lay people. In this approach, the Four Noble Truths are the consummate teaching. The common formula is:
In the Pali Canon, the title for this training, its general intent and outline are provided in the following narrative formula (in English and Pali) which is found in multiple discourses:
"Then the Blessed One gave the householder ... progressive instruction, that is, talk on giving, talk on virtue, talk on the heavens; he explained the danger, degradation, and defilement in sensual pleasures and the blessing of renunciation. When he knew that the householder['s] ... mind was ready, receptive, free from hindrances, elated, and confident, he expounded to him the teaching special to the Buddhas: suffering, its origin, its cessation, and the path."
Atha kho bhagavā ... gahapatissa ānupubbīkathaṃ kathesi. Seyyathīdaṃ: dānakathaṃ, sīlakathaṃ, saggakathaṃ, kāmānaṃ ādīnavaṃ, okāraṃ saṅkilesaṃ, nekkhamme ānisaṃsaṃ pakāsesi. Yadā bhagavā aññāsi ... gahapatiṃ kallacittaṃ muducittaṃ vinīvaraṇacittaṃ udaggacittaṃ pasannacittaṃ, atha yā buddhānaṃ sāmukkaṃsikā dhammadesanā, taṃ pakāsesi: dukkhaṃ samudayaṃ nirodhaṃ maggaṃ.
Details for this training are provided in DN 2 and, to a lesser degree, in MN 27 and MN 51.