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Region: General | Usage example: He finally got a promotion but realized he was working 12-hour days—be careful what you wish for.

Be careful what you wish for

Meaning

Desires may produce unwanted consequences.

Usage

Used as a caution when pursuing goals too hastily.

Origin & History

Origin notes can vary by region and source; this page gives the commonly reported explanation and usage context.

Roots in fairy tales where wishes backfired.

A proverb tracing back to early European stories about moral lessons.

Related Idioms

You reap what you sow

Actions have consequences.

What goes around comes around

Your actions eventually come back to you.

Practice what you preach

Act consistently with the advice you give.

More Idioms

Break the ice

To do or say something to relieve tension or get conversation going in a social situation.

Cut to the chase

Skip ahead to the most important or exciting part of something.

The ball is in your court

It is now your turn to take action or make a decision.

Throw in the towel

To concede defeat or admit a struggle isn't worth continuing.