Keep an iron in the fire
Meaning
Have multiple tasks or opportunities underway.
Usage
Warns against relying on a single plan.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Blacksmiths kept several irons glowing to work quickly.
Traders used the image in 18th-century England.