"Arhats, who have reached their last birth and think they are done with it all, are unable to raise their thoughts to supreme enlightenment."
-- Paraphrased from The Prajna Paramita Sutra on the Buddha-Mother's Producing the Three Dharma Treasures, or The Perfection of Wisdom in 8000 Lines, Chapter 2, Preamble.
(Photo of celadon arhat figurine courtesy of the Korean Copyright Commission and Wikimedia Commons.)