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Strike while the iron is hot

Cultural  
  1. Take advantage of favorable circumstances while they last. The image is from a blacksmith's shop; the smith can shape iron only by striking it with his hammer when it is red hot.


strike while the iron is hot Idioms  
  1. Take advantage of favorable conditions, as in They just made a huge profit, so let's strike while the iron is hot and ask for some money. This adage alludes to the blacksmith's forge. [Late 1300s] Also see make hay while the sun shines.