A self-evident axiom or premise; a pithy expression of a general principle or rule. (noun)
A precept; a succinct statement or observation of a rule of conduct or moral teaching. (noun)
Examples of word maxim
This maxim is a wise guide to a great and simple precaution in life: Never, ever, think about something else when you should be thinking about the power of incentives â€¦
 this maxim is as true as ever fell from poetical pen & there has more morality distilled from the waters of Helicon  than ever was procured from the withered skulls of metaphysicians or Philosophers.
And the old â€˜first impressionsâ€™ maxim is one which cuts both ways, unfortunately for all concerned.
This is going to be awesome. anthony gadberry just read about this kid in maxim i think ... interesting story.
Yes, because they completely misunderstood what the beer-before-liquor maxim is about.