Not a word, as far as I can tell, that would give a police officer a moral compass on how to do his or her job, just a standard recitation of "virtue" as "the only true good," as if virtue exists apart from a view of what good is being targeted for accomplishment
Isn't this the very characterisation of Stoicism? It gives a framework, but the space in between is empty. This leaves room to any kind of interpretation. The main thing is that you adapt to your environment, regardless what kind of matter it represents. This might be especially attractive for a civil servant.