Iron has powers to draw a man to ruin.

If gold rusts, what then can iron do?

Guilt upon the conscience, like rust upon iron, both defiles and consumes it, by degrees gnawing and creeping into it, as that does; till at length it has eat out the very heart and substance of the metal.

You can kill our human bodies but not our souls made of iron. O Britishers! Whatever measures you adopt to stop us will fail. We shall continue to proceed. None can stop us from hoisting our national flag at the police post.

. . . 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. . . .

Iron can destroy anything: families, fortunes, governments,whole countries. It's the most powerful stuff in the universe."
"Oh?" Orry's skeptical glance fell down on the Plain below. "You really think it's more powerful than a big army?"
"Without weapons - without this - there are no big armies.

Evil men could be destroyed, but nothing could be done with good men who were deluded.

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.

A man can be destroyed but not defeated.

As iron is eaten away by rust, so the envious are consumed by their own passion.

Antisthenes used to say that envious people were devoured by their own disposition, just as iron is by rust.

Nothing can destroy the good writer. The only thing that can alter the good writer is death. Good ones don't have time to bother with success or getting rich.

Iron is full of impurities that weaken it; through forging, it becomes steel and is transformed into a razor-sharp sword. Human beings develop in the same fashion

Everything has its limit - iron ore cannot be educated into gold.