Rephrasing an awkward sentence?

The trouble with theorizing law as a ‘system’ or a ‘totality’ is that it assumes that it is possible to have a law that is culturally and morally neutral; however, the very idea of a legal system is in itself an expression of (a) society’s culture and its vision(s) of justice. the stuff in the parenthesis not sure u need ... hoped this help, if it didnt sorry.