Yaseen • BN-TAFSEER-IBN-E-KASEER
﴿ وَسَوَآءٌ عَلَيْهِمْ ءَأَنذَرْتَهُمْ أَمْ لَمْ تُنذِرْهُمْ لَا يُؤْمِنُونَ ﴾
“thus, it is all one to them whether thou warnest them or dost not warn them: they will not believe.”
Please check ayah 36:12 for complete tafsir.