With the advance of feudalism came the growth of iron armor, until, at last, a fighting-man resembled an armadillo. – John Boyle O’Reilly
Catalytic oxidation in living substances rests upon change of valency in an iron compound which is the respiratory oxygen-transferring ferment. – Otto Heinrich Warburg
The concentration of the ferment iron in living substance is very small, being in the region of 1 g to 10 million g of cellular substance. – Otto Heinrich Warburg
War seems to come out of nowhere, like rust that suddenly pops up on iron after a storm. – Victor Davis Hanson
For ten years Caesar ruled with an iron hand. Then with a wooden foot, and finally with a piece of string. – Spike Milligan
My hair is naturally curly, and in the 80’s, even though I experimented with different lengths, I generally wore it curly. Since then, I’ve learned how to use a blow dryer and flat iron. – Susanna Hoffs
From Stettin in the Baltic to Trieste in the Adriatic, an iron curtain has descended across the Continent. – Winston Churchill