One swallow doesn’t make a summer
proverb
You cannot decide something based only on a single event or incident.
Just because she got good grades in one test does not mean she's a genius. Remember, one swallow doesn't make a summer.

Often appears as...
- just because...
- remember
Usage tips
Idiomatic
proverb
You cannot decide something based only on a single event or incident.
Just because she got good grades in one test does not mean she's a genius. Remember, one swallow doesn't make a summer.

Often appears as...
- just because...
- remember
Usage tips
Idiomatic
Definition 1 of 1

Cautious Conclusion
Encourages not rushing to judgement based on limited evidence.

He won once, but one swallow doesn’t make a summer.
Consistency Required
Stresses the importance of repeated success or behavior to prove a consistent trend.

She was punctual today, but one swallow doesn’t make a summer.
Not Literal Birds
Demonstrates that 'swallow' and 'summer' are metaphors, not to be understood literally.

Don’t look for birds; one swallow doesn’t make a summer is about evidence, not the season.
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