At Kapilavatthu. Seated to one side, the Buddha said to Mahānāma the Sakyan: “Mahānāma, a noble disciple who has four things is a stream-enterer …”

Linked Discourses 55.50 5. Overflowing Merit, With Verses Factors

“Mendicants, there are these four factors for stream-entry. What four? Associating with true persons, listening to the true teaching, rational application of mind, and practicing in line with the teaching. These are the four factors for stream-entry.”

Linked Discourses 55.51 6. A Wise Person With Verses