7.
The Discourse on Higher Intelligence
218.
"Monks, these seven factors of enlightenment, when developed and cultivated, lead to non-decline of higher intelligence.
Which seven?
The enlightenment factor of mindfulness, etc.
the enlightenment factor of equanimity.
These, monks, are the seven factors of enlightenment which, when developed and cultivated, lead to non-decline of higher intelligence."
The seventh.