A honey tongue, a heart of gall.
More Dutch Proverbs:
There's no making a silk purse of a sow's ear.Dutch
The higher the mountain the lower the valley, the taller the tree the harder the fall.
Dutch
Many hounds mean the death of the hare.
Dutch
When a mouse has fallen into a meal sack, he thinks he is the miller himself.
Dutch
High trees give more shadow than fruit.
Dutch
Poor folk's wisdom goes for little.
Dutch