Yaseen - 36:10
Whether you warn them or not, it is the same for them; they do not believe.
Related to 8, 9, 10:
Yaseen/36:8
We put fetters on their necks up to their chins, so their heads are raised up.
Yaseen/36:9
We have veiled them with a barrier in front of them and a barrier behind them, so that they cannot see.
Yaseen/36:10
Whether you warn them or not, it is the same for them; they do not believe.
The Cow/2:6
As for those who disbelieve, it is the same for them whether you warn them or not; they do not believe.
The Cow/2:7
Allah seals their hearts and their ears. There is a veil over their eyes, and for them is a great torment.