`Aishah (May Allah be pleased with her) reported: Messenger of Allah (PBUH) never hit anything with his hand neither a servant nor a woman but of course, he did fight in the Cause of Allah. He never took revenge upon anyone for the wrong done to him, but of course, he exacted retribution for the sake of Allah in case the Injunctions of Allah about unlawful acts were violated. [Muslim].
(2:208) O Believers, enter completely into Islamand do not follow in the footsteps of Satan, for he is your avowed enemy. God demands that man should submit, without reservation, the whole of his being to His will. Man's outlook, intellectual pursuits, behaviour, interaction with other people and modes of endeavour should all be completely subordinate to Islam. God does not accept the splitting up of human life into separate compartments, some governed by the teachings of Islam and others exempt. (Tafheemul Quran)