فَأَمَّا الَّذينَ آمَنوا وَعَمِلُوا الصّالِحاتِ فَيُدخِلُهُم رَبُّهُم في رَحمَتِهِ ۚ ذٰلِكَ هُوَ الفَوزُ المُبينُ

So as for those who believed and did righteous deeds, their Lord will admit them into His mercy. That is what is the clear attainment.