The Theories
The Round of the Past
"There are, monks, other Dhammas that are intense, difficult to realize, difficult to understand, calming, beyond logic, subtle, and comprehensible only to the wise. These are the Dhammas that an outsider, when speaking well of the Tathāgata, might speak.
What are they?
There are recluses and Brahmans, monks, who, upon eighteen grounds, formulate theories about the past. What are the means and references that these honorable recluses and Brahmans use?"