Buddha on the Twelve Nidanas
With ignorance as condition, the kamma formations; with kamma formations as condition consciousness; with consciousness as condition, mentality-materiality; with mentality-materiality as condition the sixfold sense base; with the sixfold sense base as condition, contact; with contact as condition, feeling; with feeling as condition, craving; with craving as condition, clinging; with clinging as condition, existence; with existence as condition, birth; with birth as condition, aging-and-death, sorrow, lamentation, pain, grief, and despair arise. Such is the origination of this entire mass of suffering.