AHMAD 6077:
from Ibn ʿUmar —
"The Messenger of Allah ﷺ said: 'The Magicians of this Ummah are those who deny the decrees of Allah. If they fall sick, do not visit them; if they die, do not attend their funerals; and if you meet them, do not greet them with Salam.'" (Using translation from Ibn Mājah 92)
أحمد ٦٠٧٧:
عن ابن عمر —
قَالَ رَسُولُ اللهِ ﷺ إِنَّ لِكُلِّ أُمَّةٍ مَجُوسًا وَإِنَّ مَجُوسَ أُمَّتِي الْمُكَذِّبُونَ بِالْقَدَرِ فَإِنْ مَاتُوا فَلَا تَشْهَدُوهُمْ وَإِنْ مَرِضُوا فَلَا تَعُودُوهُمْ