“As iron cast into fire loses its rust and becomes glowing white, so he who turns completely to God is stripped of his sluggishness and changed into a new man.”

“Iron rusts from disuse; stagnant water loses its purity and in cold weather becomes frozen; even so does inaction sap the vigor of the mind. So we must stretch ourselves to the very limits of human possibility. Anything less is a sin against both God and man.”

“Iron rusts from disuse, stagnant water loses its purity, and in cold weather becomes frozen; even so does inaction sap the vigors of the mind.”

“And she sees that the moonlight is losing its orange glow. It has become buttery, and will soon turn to silver.”

“The rat turned his glowing eyes on him, and Gregor was shocked by what he saw there. The intelligence, the deadliness, and, most surprisingly, the pain. This rat was not like Fangor and Shed. He was much more complicated and much more dangerous. For the first time in the Underland, Gregor felt completely out of his league. If he fought this rat, he wouldn't stand a change. He would lose. He would be dead.”

“. . . if gold rust, what then will iron do?/ For if a priest be foul in whom we trust/ No wonder that a common man should rust. . . .”