Tariq ibn Ashyam reported: The Messenger of Allah, peace and blessings be upon him, said, “Whoever says there is no God but Allah, and disbelieves in what is worshiped besides Allah, his property and his life are sacred and he will be held accountable to Allah.”
In another narration, the Prophet said, “Whoever declares Allah is one…”
Source: Ṣaḥīḥ Muslim 23
Grade: Sahih (authentic) according to Muslim
عَنْ طَارِقِ بْنِ أَشْيَمَ الْأَشْجَعِيِّ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مَنْ قَالَ لَا إِلَهَ إِلَّا اللَّهُ وَكَفَرَ بِمَا يُعْبَدُ مِنْ دُونِ اللَّهِ حَرُمَ مَالُهُ وَدَمُهُ وَحِسَابُهُ عَلَى اللَّهِ
وفي رواية أخرى قال مَنْ وَحَّدَ اللَّهَ
23 صحيح مسلم كتاب الإيمان باب الأمر بقتال الناس حتى يقولوا لا إله إلا الله محمد رسول الله
