التفسير التبليغي
(Indeed, your Lord is most knowing of who has strayed from His way, and He is most knowing of the [rightly] guided.) (7)
(Indeed, your Lord is most knowing of who has strayed from His way) the straight, true path, (and He is most knowing of the [rightly] guided) among His creation.
(Indeed, your Lord) meaning, He who nurtured you with the best upbringing, (He) meaning, He alone (is most knowing) meaning, more than anyone else (of who has strayed) from the path of earnest effort, and taken a way other than the intended path, and missed the place of guidance, turning away (from His way), the earnest effort of His Prophet, thus being the most insane of madmen. (And He) meaning, He specifically (is most knowing of the [rightly] guided) meaning, those who are firm upon the earnest effort of guidance, and they are the people of wisdom and sound intellect.
Allah is the Knower of those who deviate from His religion... and He is most knowing of those who follow the truth and take His path.
The devils among humankind have tempted Allah's servants and led them astray from His path.
(And He is most knowing of the [rightly] guided): meaning, those for whom He has decreed guidance.
(And He is most knowing of the [rightly] guided): This is both a promise and a warning.
Source: التفسير التبليغي