The king alone is able to restrain and check. That king who does not prevent his subjects (from committing sins) is visited by a fourth part of the sins committed by them. This is the injunction of the Shrutis.
प्रभुर्नियमने राजा य एतान् न नियच्छति। भुक्कते स तस्य पापस्य चतुर्भागपिति श्रुतिः॥