As iron put into the fire loseth its rust and becometh clearly red-hot, so he that wholly turneth himself unto God puts off all slothfulness, and is transformed into a new man

I also said, men are like curling irons, they never get out of your hair.
And they are like government bonds, they take so long to mature.

The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.

Still, my soul is cast iron and not to be dented.

Trust thyself: every heart vibrates to that iron string.

This policy cannot succeed through speeches, and shooting-matches, and songs; it can only be carried out through blood and iron.

Strike while the iron is hot.

What Britain needs is an iron lady.

If you lead a country like Britain, a strong country, a country which has taken a lead in world affairs in good times and in bad, a country that is always reliable, then you have to have a touch of iron about you.

The iron from that meteorite and the iron from your blood have common origin in the core of a star.