In all languages we sometimes say something figuratively or with a proverb. Here you have some famous Dutch ones.

Spreekwoorden en figuurlijk taalgebruik

If the person in charge leaves, the others left can do what they want to do.

Als de kat van huis is, dansen de muizen op tafel.

A child is similar to their mother/father and has the same mannerisms as them.

How further you get into a project, the work at the end becomes the hardest.

You always want what the other has, at anyone else’s place it’s always better.

Het gras is groener bij de buren.
Het gras is groener aan de overkant.

People who are not doing anything, are able to easily give their critics to others who are very busy.

Wherever you are, home is always the best.

If you don’t try it out, you will never know if you would be very good at something.

Somebody will not easily make the same mistake, because people learn from their mistake.

Een ezel stoot zich geen twee keer aan dezelfde steen.