Qur'an 3:85 · Aal-i-Imraan

وَمَن يَبْتَغِ غَيْرَ ٱلْإِسْلَٰمِ دِينًۭا فَلَن يُقْبَلَ مِنْهُ وَهُوَ فِى ٱلْءَاخِرَةِ مِنَ ٱلْخَٰسِرِينَ

(85) And whoever desires other than Islām as religion - never will it be accepted from him, and he, in the Hereafter, will be among the losers.