It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) said: "I have been sent with the sword before the Hour so that only Allah, Who has no partner, is worshipped. My sustenance has been placed under the shadow of my spear. Humiliation has been decreed for those who oppose my commands, and whoever imitates a people is counted among them."