إِنَّ الصَّفَا وَالْمَرْوَةَ مِنْ شَعَآئِرِ اللَّهِ، أَبْدَأُ بِمَا بَدَأَ اللَّهُ بِهِ

Inna assafa wal-marwata min shaAAa-iri Allah. Abdawu bimaa bada-allahu bihi.

Surely Safa-Marwa is a sign of Allah. I am starting with what Allah has started

Reference: Muslim: 1218