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

"It is important to be aware of cultural norms when visiting Breda. 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 modestly and to avoid wearing revealing clothing. Additionally, it is important to be respectful of the Dutch language and to avoid speaking English in public places. It is also important to be aware of the Dutch customs and to avoid making jokes about the Dutch culture or people. Finally, it is important to be respectful of the Dutch people and to avoid making assumptions about their culture or beliefs," remarked another expat in Breda, The Netherlands.