3:85
وَمَن يَبْتَغِ غَيْرَ ٱلْإِسْلَـٰمِ دِينًا فَلَن يُقْبَلَ مِنْهُ وَهُوَ فِى ٱلْـَٔاخِرَةِ مِنَ ٱلْخَـٰسِرِينَ
waman yabtaghi ghayra l-is'lāmi dīnan falan yuq'bala min'hu wahuwa fī l-ākhirati mina l-khāsirīna
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.
— Saheeh International
If anyone seeks a religion other than [islam] complete devotion to God, it will not be accepted from him: he will be one of the losers in the Hereafter.
— M. A. S. Abdel Haleem
And whoever seeks a religion other than Islâm, it will never be accepted of him, and in the Hereafter he will be one of the losers.
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali