Say: "If your fathers and your sons and your brothers and your spouses and your clan, and the worldly goods which you have acquired, and the commerce whereof you fear a decline, and the dwellings in which you take pleasure - [if all these] are dearer to you than God and His Apostle and the struggle in His cause, then wait until God makes manifest His will; and [know that] God does not grace iniquitous folk with His guidance."

Whenever the Prophet asked permission to enter, he knocked the door thrice with greeting and whenever he spoke a sentence (said a thing) he used to repeat it thrice.