What four? It’s when a noble disciple has experiential confidence in the Buddha … the teaching … the Saṅgha … And they have the ethical conduct loved by the noble ones … leading to immersion. A noble disciple who has these four things is a stream-enterer, not liable to be reborn in the underworld, assured, destined for awakening.”

That is what the Buddha said. Then the Holy One, the Teacher, went on to say:

“Those who have faith and ethics, confidence, and vision of the truth, in time arrive at happiness, the objective of the spiritual life.”

Linked Discourses 55.3 1. At Bamboo Gate With Dīghāvu