one swallow does not make a summer

Meaning: One good sign does not mean things will continue that way.

Language: English

Literally: (Already vivid in English)

Example: “The sales rose in March, but one swallow does not make a summer.”

Category: Animals

Origin: Swallows return in spring, but one bird alone proves nothing. Aristotle uses the saying in his Nicomachean Ethics. It is found in English from the 16th century.

Equivalents in other languages

More idioms — Animals

More English idioms

From our false friends

  • Bra — Actually means 'good'. Det är bra = That's good.
  • Glass — Actually means 'ice cream'. En glass = an ice cream. For a glass (vessel), say ett glas.
  • Semester — Actually means 'holiday' or 'vacation'. A school semester is en termin.

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