The discourse regarding the interpretation of His statement, majestic is His praise: ﴿It is all the same for them whether you warn them or do not warn them, they will not believe (6)﴾

And the interpretation of "equal" (sawāʾ): equal/alike. Derived from equality (tasāwī), as when you say: "These two matters are equal to me," and "They are equal to me," meaning: they are equal in my view. From this is the saying of God, majestic is His praise: {so throw [their treaty] back to them on equal terms} [Sūrat al-Anfāl: 58], meaning: inform them and notify them of war, so that your knowledge and their knowledge become equal regarding what each party holds toward the other. Likewise His statement, "It is all the same for them": equal in their view whichever of the two matters comes from you to them—warning them or leaving off warning them, because they will not believe (1), for I have sealed their hearts and their hearing. And of that is the saying of ʿUbayd Allāh ibn Qays al-Ruqayyāt:

The gray she-camel rushes with me toward Ibn Jaʿfar, equal to her are her night and her day (2)

He means by that: equal to her in traveling are night and day, because there is no slackening in it. And from it is the saying of another poet (3):

And many a night whereof a man says from its dark depths: equal are healthy eyes and blind eyes

Because the person with healthy eyes cannot see in it except weakly due to its darkness.

As for His statement: {whether you warn them or do not warn them, they will not believe}, the speech outwardly appears as an interrogation while it is an informative statement; because it occupies the position of "whichever", just as you say: "We do not care whether you stood up or