An arrow once shot is hard to get back.
More Hungarian Proverbs:
The pitcher goes so long to the well, until it breaks.Hungarian
We do not live to eat, but we eat to live.
Hungarian
As one makes his bed, so he sleeps his dream.
Hungarian
A scalded dog fears even the rain.
Hungarian
The proof of the pudding is eating it.
Hungarian
Like tree, like fruit.
Hungarian