He is the one upon whom the whole of creation relies with regards all their needs, predicaments and necessities. This is due to His unrestricted perfection with regards His Person, His Names, His Attributes and His Actions.
“Say: He is Allah the One. Allah as-Samad.”
[al-Ikhlas (112): 1-2]
From “Explanation to the Beautiful and Perfect Names of Allah” — Shaykh as-Sa’di (d.1376H)