Quran

أَمۡ يَقُولُونَ ٱفۡتَرَىٰهُۚ بَلۡ هُوَ ٱلۡحَقُّ مِن رَّبِّكَ لِتُنذِرَ قَوۡمٗا مَّآ أَتَىٰهُم مِّن نَّذِيرٖ مِّن قَبۡلِكَ لَعَلَّهُمۡ يَهۡتَدُونَ

Or do they say, "He invented it"? Rather, it is the truth from your Lord, [O Muhammad], that you may warn a people to whom no warner has come before you [so] perhaps they will be guided