John talks about the chapter on the Eightfold Path (Maggasamyutta) from the Great Book (Mahavagga) in the Samyutta NIkaya. He breaks down the Pali terms for each of the eight limbs that make up the Eightfold Path.
SN 45:1 Discourse on Ignorance (Avijjāsutta)
SN 45:4 Discourse Regarding the Brahmin Janussoni (Janussonibrahmanasuta)
SN 45:8 Analysis Discourse (Vibhangasutta)