21:28

يَعْلَمُ مَا بَيْنَ أَيْدِيهِمْ وَمَا خَلْفَهُمْ وَلَا يَشْفَعُونَ إِلَّا لِمَنِ ارْتَضَىٰ وَهُم مِّنْ خَشْيَتِهِ مُشْفِقُونَ

Transliteration:

YaAAlamu ma bayna aydeehim wama khalfahum wala yashfaAAoona illa limani irtada wahum min khashyatihi mushfiqoona

Word by Word:

He knows what (is) before them, and what (is) behind them, and not they (can) intercede except for whom He approves. And they, from fear of Him, stand in awe.

Translations:

He knows all that lies open before them and all that is hidden from them: hence, they cannot intercede for any but those whom He has [already] graced with His goodly acceptance, since they themselves stand in reverent awe of Him.*

He knows what is before them, and what is behind them, and they offer no intercession except for those who are acceptable, and they stand in awe and reverence of His (Glory).

He knoweth what is before them and what is behind them, and they cannot intercede except for him whom He accepteth, and they quake for awe of Him.

He knows what is before them and what is behind them, and they intercede not except for him whom He approves, and for fear of Him they tremble.

He knows what is [presently] before them and what will be after them, and they cannot intercede except on behalf of one whom He approves. And they, from fear of Him, are apprehensive.