He has put bad wood on the fire.
More Hungarian Proverbs:
Two dogs can hardly agree on one bone.Hungarian
The wolf, dog does not eat the winter.
Hungarian
Leave others in peace, care for yourself.
Hungarian
It's hard to dance in chains.
Hungarian
If a dog is driven by a stick after a hare, he will not catch it.
Hungarian
If the mountain will not go to Mohammed, Mohammed will go to mountain.
Hungarian