His pocket knife opens in my pocket.
More Hungarian Proverbs:
What's gone, is gone.Hungarian
He has passed the road to Damascus.
Hungarian
There is no loss, which is not a gain for somebody.
Hungarian
Property gained unlawfully will be lost in the same way.
Hungarian
He is the kid of our dog.
Hungarian
What you do not wish for yourself, do not do it to your fellowmen either.
Hungarian