[355] Therein, what is ignorance (avijjā)?
That which is lack of knowledge, lack of vision, … the bar of ignorance, delusion (moha), the unwholesome root — this is called ignorance. …
Therein, what is feeling (vedanā) with contact (phassa) as condition (paccaya)?
That which is mental neither comfort nor discomfort, the neither-painful-nor-pleasant experience born of mind-contact (cetosamphassa), the neither-painful-nor-pleasant feeling born of mind-contact — this is called feeling with contact as condition.
Therein, what is doubt (vicikicchā) with feeling as condition?
That which is puzzlement, being puzzled, the state of being puzzled, perplexity, doubt, being of two minds, standing at a crossroads, uncertainty, inability to grasp conclusively, wavering, vacillation, failure to fathom, rigidity of mind (citta), mental quandary — this is called doubt with feeling as condition.
Therein, what is existence (bhava) with doubt as condition?
Excluding doubt: the aggregate of feeling (vedanākkhandha), the aggregate of perception (saññākkhandha), the aggregate of volitional formations (saṅkhārakkhandha), the aggregate of consciousness (viññāṇakkhandha) — this is called existence with doubt as condition. …
Therefore it is said: "Thus is the origin (samudaya) of this whole mass of suffering (dukkha)." …
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.