[38] 1. Thus have I heard. On one occasion the Blessed One was dwelling at Uruvelā, on the bank of the river Nerañjarā, at the foot of the Bodhi tree, having newly attained full awakening (paṭhamābhisambuddha). Now on that occasion the Blessed One sat for seven days in a single cross-legged posture, experiencing the bliss of liberation (vimuttisukha). Then, with the passing of those seven days, the Blessed One, having emerged from that concentration (samādhi), during the first watch of the night gave careful attention to dependent origination (paṭiccasamuppāda) in forward order (anuloma), thus: "When this exists, this comes to be; from the arising of this, this arises — that is: with ignorance (avijjā) as condition, volitional formations (saṅkhārā) come to be; with volitional formations as condition, consciousness (viññāṇa); with consciousness as condition, name-and-form (nāmarūpa); with name-and-form as condition, the six sense bases (saḷāyatana); with the six sense bases as condition, contact (phassa); with contact as condition, feeling (vedanā); with feeling as condition, craving (taṇhā); with craving as condition, clinging (upādāna); with clinging as condition, existence (bhava); with existence as condition, birth (jāti); with birth as condition, aging-and-death (jarāmaraṇa), sorrow, lamentation, pain, grief, and despair (soka-parideva-dukkha-domanass'upāyāsā) come to be. Thus is the origin (samudaya) of this entire¹ mass of suffering (dukkhakkhandha)."
Then the Blessed One, having understood this matter, at that time uttered this inspired utterance (udāna):
"When indeed dhammas become manifest
to the brahmin (brāhmaṇa) who is ardent (ātāpī) and meditating,
then all his doubts vanish away,
since he understands the dhamma together with its cause."
The First Sutta.
¹ [Siam Raṭṭha variant note:] The European edition does not have this reading ("kevalassa," "entire").
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.