One swallow does not make a summer.

Meaning: A single favorable occurrence cannot establish a lasting pattern; sustained evidence requires repetition.

Origin: From 'A Dictionary of English Proverbs and Proverbial Phrases' (1870). Public domain.

Translations

French: Une hirondelle ne fait pas le printemps (literally: One swallow does not make a spring)
Spanish: Una golondrina no hace verano (literally: One swallow does not make a summer)

One swallow makes not a spring, nor one woodcock a winter. — A single favorable occurrence cannot establish a pattern; sustained evidence is needed to…
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He must needs swim that's held up by the chin. — Desperation forces you to learn survival skills you'd never develop in safety or comfort.
Remove the tale-bearer and contention ceaseth. — Silencing gossip's source eliminates the conflict it generates among those previously div…
To him that hath lost his taste, sweet is sour. — Loss of perspective inverts our values; deprivation corrupts even formerly cherished plea…
Nothing dries up sooner than tears. — Grief, however overwhelming, naturally fades with time as emotions settle and healing beg…

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