What is on his heart, that is on his tongue.
More Hungarian Proverbs:
A rain in May is golden.Hungarian
It will not last longer than frying an egg.
Hungarian
What was given by God to one, cannot be taken away by man.
Hungarian
For an bystander nothing is precious.
Hungarian
He is unable to cope with the situation any longer.
Hungarian
Better to fear than to be frightened.
Hungarian