• Bahudhátuka Sutta

Preached at Jetavana.

It contains a series of questions asked by Ananda and the Buddha's answers. The Buddha describes various ways in which the monk can achieve mastery of

• the elements (dhátu),
• the senses,
• the chain of causation,
• the rationally possible and
• the rationally impossible.

Other names for the sutta are Catuparivatta, Dhammádása, Amatadundubhi and Anuttara Sangámavijaya. M.iii.61ff.