Robert Christy, comp. Proverbs, Maxims and Phrases of All Ages. 1887.
Iron
Iron long fired becomes steel.Chinese.
Iron may be rubbed so long that it gets heated.French.
Iron not used soon rusts.Portuguese.
Iron or brass, let nothing pass.Chinese.
It is bad iron in which there is no steel.Danish.
The command of iron soon gives a nation command of gold.Gibbon.