You can’t hatch chickens from fried eggs.
More Dutch Proverbs:
The magpie cannot leave her hopping.Dutch
When the cat's away, it is jubilee with the mice.
Dutch
One should not think about it too much when marrying or taking pills.
Dutch
After the storm comes a calm.
Dutch
When the cat is not home, the mice dance on the table.
Dutch
For a good appetite there is no hard bread.
Dutch