Don't count your chickens before they hatch
es̻ kontatu oɪʎoak araʊts̻ak ateɾa βaɪɲo leen
In Basque Ez kontatu oiloak arrautzak atera baino lehen.
This proverb is a direct equivalent, warning against counting on something before it's certain.
Example
"Jada ospatzen ari zen, baina esan nion: 'Ez kontatu oiloak arrautzak atera baino lehen.'"
