2.
The Discourse on the Requisites of Concentration
45.
"Monks, there are these seven accessories of concentration.
Which seven?
Right view, right thought, right speech, right action, right livelihood, right effort, right mindfulness.
That, monks, unified focus of mind which is equipped with these seven factors - this is called, monks, noble right concentration with its proximate cause and also with its accessories."
The second.