Sayyiduna Ibn Abbas (may Allah be pleased with them) narrates that the Noble Prophet (peace and blessings be upon him) said: There is no bad omen, no contagious disease, no evil in the owl, and no reality in Safar. A man said: O Messenger of Allah! When we put a scab-ridden goat among other goats, the others also become scab-ridden. The Prophet (peace and blessings be upon him) said: Then tell me, from where did the first goat get the disease?

Sayyiduna Nimir (may Allah be pleased with him)'s nephew, Sayyiduna Sa'ib bin Yazid (may Allah be pleased with him) narrates that the Noble Prophet (peace and blessings be upon him) said: There is no contagious disease, nor is there (any ill omen in) Safar, nor is there any bad luck in the owl.

Syedna Abu Hurairah (may Allah be pleased with him) narrates that the Noble Prophet (peace and blessings be upon him) said: "A sick person should not be admitted to the place of a healthy person."

Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) narrates that the Noble Prophet (peace and blessings be upon him) said: Do not look at leprosy patients for a long time.

Sayyiduna Ali ibn Abi Talib (may Allah be pleased with him) narrates that the Noble Prophet (peace and blessings be upon him) said: Do not look at leprosy patients for a long time, and when you speak to them, there should be a distance between you and them equal to the length of a spear.

Sayyiduna Shuraid bin Suwaid Thaqafi (may Allah be pleased with him) narrates that a leprous man from Banu Thaqif came to the Noble Prophet (peace and blessings be upon him) to pledge allegiance to him. I went to the Noble Prophet (peace and blessings be upon him) and said that a man afflicted with leprosy wishes to pledge allegiance to you. He said: Go to him and tell him that I have accepted his pledge; he may return from there.

Syedna Abu Hurairah (may Allah be pleased with him) narrates that the Noble Prophet (peace and blessings be upon him) said: Flee from a leper as you would flee from a lion.

It is narrated from Saeed bin Musayyib, may Allah have mercy on him, he says: I asked Sayyiduna Sa’d bin Abi Waqqas, may Allah be pleased with him, about bad omens, but he scolded me and said: Who told you this? I did not like to tell him who had told me, then Sayyiduna Sa’d, may Allah be pleased with him, stated that the Noble Prophet, peace and blessings be upon him, said: There is no contagious disease, no bad omen, and no evil in the owl. If there were to be any bad omen in anything, it would be in the horse, the woman, and the house. When you hear that there is plague in a land, then do not go there, and when you are in a land where plague has broken out, then do not leave from there.

Sayyiduna Abdullah bin Amr (may Allah be pleased with them both) narrates that the Noble Prophet (peace and blessings be upon him) said: Whoever is deterred from doing something by bad omen has committed shirk. The people asked: O Messenger of Allah! What is its expiation? He (peace and blessings be upon him) said: Its expiation is to say: O Allah! There is no good except Your good, and there is no omen except Your omen.

Abu Zubair says: I asked Sayyiduna Jabir (may Allah be pleased with him) whether the Messenger of Allah (peace and blessings be upon him) said anything about bad omens and the contagiousness of disease. He said: I heard the Noble Prophet (peace and blessings be upon him) say: Every man's omen is in his own neck.