one must always
Man muss immer auf den Gesichtsausdruck achten.
You always have to pay attention to the facial expression.
— PK - Andere Sterne, andere Sitten (2014)
Mindy, man muss immer den Kopf töten.
Mindy, you always have to kill the head.
— The Dead Don't Die (2019)
Man muss immer tun, was richtig ist.
You always have to do what is right.
Man muss immer das Richtige tun.
You always have to do the right thing.