Narrated `Aisha: I asked Allah's Apostle about looking hither and thither in prayer. He replied, "It is a way of stealing by which Satan takes away (a portion) from the prayer of a person."
Hadith Referenceصحيح البخاري / كتاب الأذان (صفة الصلوة) / 751
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة
Narrated `Aisha: Once the Prophet prayed on a Khamisa with marks on it and said, "The marks on it diverted my attention, take this Khamisa to Abu Jahm and bring an Inbijaniya (from him.)"
Hadith Referenceصحيح البخاري / كتاب الأذان (صفة الصلوة) / 752
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة