Surah Al-Baqarah (The Cow), Verse 158

اِنَّ الصَّفَا وَالْمَرْوَةَ مِنْ شَعَآىِٕرِ اللّٰهِ فَمَنْ حَجَّ الْبَیْتَ اَوِ اعْتَمَرَ فَلَا جُنَاحَ عَلَیْهِ اَنْ یَّطَّوَّفَ بِهِمَا وَمَنْ تَطَوَّعَ خَیْرًا فَاِنَّ اللّٰهَ شَاكِرٌ عَلِیْمٌ ۟

Innas Safaa wal-Marwata min sha'aaa'iril laahi faman hajjal Baita awi'tamara falaa junaaha 'alaihi ai yattawwafa bihimaa; wa man tatawwa'a khairan fa innal laaha Shaakirun'Aleem

“Behold! Safa and Marwa are among the Symbols of Allah. So if those who visit the House in the Season or at other times, should compass them round, it is no sin in them. And if any one obeyeth his own impulse to good,- be sure that Allah is He Who recogniseth and knoweth.”

Quran 2:158 (Yusuf Ali Translation)