English phrase from drama scenes

What Does "one never knows when they might need it" Mean?

Learn what "one never knows when they might need it" means, when people say it, and how to use it naturally in English.

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One never knows when they might need it.

This means something could be useful in the future even if it is not needed now.

From In Her Shadow, Episode 20

When do people say this?

Scene Context

Someone is justifying keeping something because it may be useful later.

Usage Scenario

Use it to explain why you are keeping an item or information. It sounds a bit formal or old-fashioned in everyday conversation.

Better ways to say it

1
You never know when you might need it.
2
You might need it someday.
3
Best to keep it just in case.

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