The Quran
Surah At-Tawbah
The Repentance
Verse 108

Allah loves those
who purify themselves.

The Quran
Surah Al-Anfal
The Spoils of War
Verse 11

Allah sent down upon you
from the sky, rain by which
to purify you and remove
from you the evil [suggestions]
of Satan and to make steadfast
your hearts and plant firmly
thereby your feet.