Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
ahmad:9612Yaḥyá > Muḥammad b. ʿAmr > Abū Salamah > Abū Hurayrah

[Machine] The Prophet ﷺ said, "A sick person should not be brought to a healthy person. He also said, "There is no contagion, no bad omen, and no hama (superstitious belief). So, whoever causes harm to others, they will be the ones to suffer harm first."  

أحمد:٩٦١٢حَدَّثَنَا يَحْيَى عَنْ مُحَمَّدِ بْنِ عَمْرٍو قَالَ حَدَّثَنِي أَبُو سَلَمَةَ عَنْ أَبِي هُرَيْرَةَ

عَنِ النَّبِيِّ ﷺ قَالَ لَا يُورِدُ الْمُمْرِضُ عَلَى الْمُصِحِّ وَقَالَ لَا عَدْوَى وَلَا طِيَرَةَ وَلَا هَامَةَ فَمَنْ أَعْدَى الْأَوَّلَ