Mukhtasar Muslim

Narrated from Sayyiduna Abu Hurairah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings of Allah be upon him) said: Whoever obeys me has obeyed Allah, and whoever disobeys me has disobeyed Allah. And whoever obeys the ruler (whom I have appointed), then he has obeyed me, and whoever disobeys him has disobeyed me.