44:7
رَبِّ ٱلسَّمَـٰوَٰتِ وَٱلْأَرْضِ وَمَا بَيْنَهُمَآ ۖ إِن كُنتُم مُّوقِنِينَ
rabbi l-samāwāti wal-arḍi wamā baynahumā in kuntum mūqinīna
Lord of the heavens and the earth and that between them, if you would be certain.
— Saheeh International
Lord of the heavens and the earth and everything between––if only you people were firm believers––
— M. A. S. Abdel Haleem
The Lord of the heavens and the earth and all that is between them, if you (but) have a faith with certainty.
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali