Hadithcore
Riyad as-Salihin, 883

Abu Musa (May Allah be pleased with him) reported:

The Jews used to intentionally sneeze in the presence of the Messenger of Allah (ﷺ) hoping that he would say to them: 'Yarhamukum-ullah (may Allah have mercy on you),' but he would respond with: "Yahdikum-ullahu wa yuslihu balakum (may Allah guide you and render sound your state of affairs)." <b>[Abu Dawud and At- Tirmidhi]</b>.

وعن أبي موسي رضي الله عنه قال‏:‏ كان اليهود يتعاطسون عند رسول الله صلى الله عليه وسلم يرجون أن يقول لهم‏:‏ يرحمكم الله، فيقول‏:‏ ‏"‏‏"‏يهديكم الله ويصلح بالكم‏"‏ ‏(‏‏(‏رواه أبو داود، والترمذي وقال‏:‏ حديث حسن صحيح‏)‏‏)‏‏.‏

References1 variant
In-Book Reference
Book 5, Hadith 40
Sharh · explanationclick to expand
<b>Guidance from the Hadith:</b><br> 1) We may only invoke Allah’s mercy upon the believers. With regard to the disbelievers, we can only supplicate Allah to guide them.<br> 2) The Jews are people with whom Allah Almighty is displeased, as they knew the truth and rejected it. They knew that the Prophet (may Allah’s peace and blessings be upon him) was truthful, and hence they hoped to derive blessing from his invocation for them.
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