Translation:

7. The Lord of the heavens and the earth and all between them if ye (but) have an assured faith.

Notes (Tafseer)

4693. Cf. ii. 4. They cannot fully realise what a tremendous thing it is that Allah is their own Lord and Cherisher (nex verse), as He is the Lord and Cherisher of the whole Universe, until they firmly believe,-until their Faith amounts to a certainty, secure and unshakable.