man is the word you need if you want to refer to people in general, but in a generic way. The closest English counterpart is one, but in daily conversation English mostly uses you for these kinds of statements.
- One does not simply walk into Mordor.
- You don’t simply walk into Mordor.
- Man geht nicht einfach nach Mordor.
What many learners don’t know, even when they’re already comfy with using man, is how to use it in “cases” – so if it’s NOT the subject.
And then, the word you need is “ein-“, with the appropriate case ending, of course.
- Die Chat AI ChatGPT wirkt intelligent, aber sie versteht einen nicht wirklich. (Accusative)
- The chat AI chatGPT comes across as intelligent, but it doesn’t really understand you.
- Schlechtestes Restaurant ever – Unglaublich, was einem hier für Essen serviert wird. (Dative)
- Worst restaurant ever – unbelievable, what kind of food (one is)/you are served here.
If you want to learn more about how to use man and its case-counterparts, check out this article on YourDailyGerman: