Al Salam – The Peace

He who frees his servants from all danger and obstruction.
“He is Allah, than whom there is no other God, the Sovereign Lord, The Holy One, PEACE, The Keeper Of Faith, the Guardian, the Majestic, the Compeller, the Superb. Glorified be Allah from all that they ascribe as partner (unto Him).”
(59:23) The Holy Quran
From the root
s-l-m with the 
classical Arabic
connotations:
to be peaceful,
quiet, tranquil,
content, friendly,
reconciled
to be free from
imperfections,
free from faults,
complete, whole,
sound.
Allah is perfect, whole, prosperous and content.
He is the source of all peace, wholeness and safety.
He  has rendered all of creation to be perfect, whole, prosperous and content.
His creation is free of imperfections, free of faults and free of error.

“Salam” means peace. Allah Almighty has said, “… and Allah invites to the abode of peace” (Quran, 10:25)

Quran tells us: The Holy Quran (2:208)