佛說觀佛三昧海經 5.4

5.4

That which is called suffering refers to: the Avīci hell, the eighteen minor hells, the eighteen cold hells, the eighteen dark hells, the eighteen minor hot hells, the eighteen knife-wheel hells, the eighteen sword-wheel hells, the eighteen fire-chariot hells, the eighteen boiling-excrement hells, the eighteen boiling-cauldron hells, the eighteen ash-river hells, the fifty-billion sword-forest hells, the fifty-billion thorn-forest hells, the fifty-billion copper-pillar hells, the fifty-billion iron-loom hells, the fifty-billion iron-net hells, the eighteen iron-cave hells, the eighteen iron-pellet hells, the eighteen pointed-rock hells, and the eighteen molten-copper-drinking hells; such numerous hells as these.