How we cite our quotes: (Paragraph)
Quote #10
He neither slept nor regained consciousness, and his eyes were like blue stones. His mother sat, feeling her heart had gone, turned actually into a stone. (235)
Like the father, both Paul and Hester are compared to stones, suggesting that while Paul has literally died, his parents have figuratively died. They are dead to the real, human emotions that a mother and a father ought to feel toward their dying son.