Robert Christy, comp. Proverbs, Maxims and Phrases of All Ages. 1887.
Knife
In a golden sheath a leaden knife.Italian.
In a smith’s house the knife is wooden.Spanish.
One knife keeps another in its sheath.Italian.
One knife whets another.Italian, German.
The knife cuts not the hand of gold.Turkish.
’Tis a good knife; it will cut butter when ’tis melted.
Under a gold sheath a leaden knife.Spanish.