What cultural faux pas should I try to avoid making in Wassenaar?

"It is important to be aware of the cultural norms in Wassenaar. It is considered rude to be late for appointments or social engagements, so it is important to be punctual. It is also important to dress appropriately for the occasion, as dressing too casually or too formally can be seen as disrespectful. Additionally, it is important to be aware of the local customs and to be respectful of them. For example, it is important to take off your shoes when entering someone's home, and to avoid discussing sensitive topics such as religion or politics. Finally, it is important to be aware of the local language and to make an effort to speak Dutch when possible," mentioned another expat when asked about moving to Wassenaar, The Netherlands.