Do not put all eggs in one basket.
More Bulgarian Proverbs:
Thirsty men make good prophets.Bulgarian
The Stronghold is taken from within.
Bulgarian
You can take a horse to water, but you can not make him drink.
Bulgarian
The eye that sees all things else, sees not itself.
Bulgarian
Go hunting for rabbits - be eaten by wolves.
Bulgarian
Burning the poor man's candles, counting the rich man's money.
Bulgarian