知らしむ

しらしむ【知らしむ】

●由(_よ)らしむべし, 知らしむべからす. It's easy to make people obey an order, but difficult to get them to understand the reason for [rationale behind] it.; 〔俗に〕 What's necessary is to force people to obey an order; they don't need to know the reason for it.