Surah At-Taubah (The Repentance), Verse 6

وَاِنْ اَحَدٌ مِّنَ الْمُشْرِكِیْنَ اسْتَجَارَكَ فَاَجِرْهُ حَتّٰی یَسْمَعَ كَلٰمَ اللّٰهِ ثُمَّ اَبْلِغْهُ مَاْمَنَهٗ ذٰلِكَ بِاَنَّهُمْ قَوْمٌ لَّا یَعْلَمُوْنَ 

Wa in ahadum minal mushrikeenas tajaaraka fa ajirhu hattaa yasma'a Kalaamal laahi summa ablighhu maa manah; zaalika bi annahum qawmul laa ya'lamoon

“If one amongst the Pagans ask thee for asylum, grant it to him, so that he may hear the word of Allah; and then escort him to where he can be secure. That is because they are men without knowledge.”

Quran 9:6 (Yusuf Ali Translation)