Deuteronomy 17:8
If a case is too difficult for you to judge, whether the controversy within your gates is regarding bloodshed, lawsuits, or assaults, you must go up to the place the LORD your God will choose.

Ezekiel 22:26
Her priests do violence to My law and profane My holy things. They make no distinction between the holy and the common, and they fail to distinguish between the clean and the unclean. They disregard My Sabbaths, so that I am profaned among them.

Ezekiel 44:23
They are to teach My people the difference between the holy and the common, and show them how to discern between the clean and the unclean.

Malachi 2:7
For the lips of a priest should preserve knowledge, and people should seek instruction from his mouth, because he is the messenger of the LORD of Hosts."