2.
The Discourse on the More Sublime
343.
At Sāvatthī.
"There are, monks, these four realms of serpents.
What are the four?
Serpents born in eggs, serpents born in wombs, serpents born in moisture, spontaneously born serpents.
Therein, monks, serpents born in wombs and serpents born in moisture and spontaneously born serpents are more sublime than serpents born in eggs.
Therein, monks, serpents born in moisture and spontaneously born serpents are more sublime than serpents born in eggs and serpents born in wombs.
Therein, monks, spontaneously born serpents are more sublime than serpents born in eggs and serpents born in wombs and serpents born in moisture.
These, monks, are the four realms of serpents."
The second.