To the donkey thorns taste better than hay.
More Bulgarian Proverbs:
Grapes do not grow in a willow tree.Bulgarian
He that feels sorry for the shoe, loses the horse.
Bulgarian
Watch your step when you walk: you may find nothing but you will not stumble.
Bulgarian
You can't find stupidity in the forest.
Bulgarian
From walking -- something; from sitting -- nothing.
Bulgarian
Two happy days are seldom brothers.
Bulgarian