proverb · Words worth keeping
One swallow doesn't make a summer.
One swallow doesn't make a summer.
Historical period not yet established
Understand the thought
Meaning in plain English
One swallow is insufficient to establish a summer in this image of judging a larger pattern from a single sign. The saying warns against premature generalisation.
What the words are saying
The seasonal contrast concerns the amount of evidence needed for a conclusion, rather than a bird-identification or weather procedure. One favourable event may matter without proving that all later events will match it. A useful application asks what other observations are relevant to the particular question.
Everyday example
A team welcomes one successful trial while gathering more evidence before concluding that the whole approach is reliable.
When to use it
Use it to distinguish a single observation from support for a broader pattern.
What it does not mean
A single event is not worthless evidence, but the image supplies no universal sample size or forecast rule.
Agent-assisted editorial interpretation. This explains the words; it does not by itself verify their author or earliest origin.
Attribution & collection notes
- Author or tradition
- Traditional
Attribution: traditional - Country attributed
- Not established
A country attribution does not establish the earliest origin. - Historical period
- Historical period not yet established
No sufficiently supported historical placement has been established. Import and download dates are not treated as composition dates. - Recorded source
- Contributor-provided proverb reference
Supplied reference A; unit 895; PDF page 125
A collection's publication date can be later than the words it records.