How do we reconcile the two hadiths: “There is no contagion and no bad omen” and “Flee from the leper as you would flee from a lion”?

The questioner : How do we reconcile the hadith: and the hadith: ?

The Shaykh : If we understand the first hadith correctly, the difficulty disappears and there is no need to reconcile them. If we understand the intended meaning of his statement (peace and blessings be upon him) and the implication that there is contagion by the permission of its Lord, then there is no difficulty. The hadith clarifies that the belief of the pre-Islamic age of ignorance before prophethood and the message, which is exactly similar to the belief of non-Muslim doctors today and some Muslims, is that they imagine contagion is transmitted by its own nature. The Prophet (peace and blessings be upon him) intended to invalidate this belief that was associated with contagion, and to draw the attention of these Arabs whom Allah guided through the hands of the Prophet (peace and blessings be upon him) to know that this contagion is real, but it is by the will of Allah, and it is for Allah (Mighty and Majestic) to delay the effect from the cause, meaning to invalidate the cause so that the effect does not appear or materialize. As is known, for example, in the story of the fire with Ibrahim (peace be upon him). The fire burns, but it burns by the permission of Allah (Mighty and Majestic). Allah (Blessed and Exalted is He) is the One who gave it this specific property, but He is not bound by it such that it does not .