One swallow doesn’t make a spring.
More Bulgarian Proverbs:
The crow pecks at the ox to clean it -- not to feed from it.Bulgarian
Drop by drop - a whole lake becomes.
Bulgarian
The First glass is for health, the second - for joy, the third - for fun, the fourth - for madness.
Bulgarian
If you cannot serve, you cannot rule.
Bulgarian
Wriggling hands like young bride's legs.
Bulgarian
You will sell more sheepskins at the market than wolfskins.
Bulgarian