"[Nirvana has been called] the harbour of refuge, the cool cave, the island amidst the floods, the place of bliss, emancipation, liberation, safety, the supreme, the transcendental, the uncreated, the tranquil, the home of ease, the calm, the end of suffering, the medicine for all evil, the unshaken, the ambrosia, the immaterial, the imperishable, the abiding, the further shore, the unending, the bliss of effort, the supreme joy, the ineffable, the detachment, the holy city, and many others."