Success and Felicity (Falah)

وَٱلْوَزْنُ يَوْمَئِذٍ ٱلْحَقُّ ۚ فَمَن ثَقُلَتْ مَوَٰزِينُهُۥ فَأُو۟لَـٰٓئِكَ هُمُ ٱلْمُفْلِحُونَ

And the weighing [of deeds] that Day will be the truth. So those whose scales are heavy - it is they who will be the successful.

فَأَمَّا مَن تَابَ وَءَامَنَ وَعَمِلَ صَـٰلِحًا فَعَسَىٰٓ أَن يَكُونَ مِنَ ٱلْمُفْلِحِينَ

But as for one who had repented, believed, and done righteousness, it is expected [i.e., promised by Allāh] that he will be among the successful.

قَدْ أَفْلَحَ مَن تَزَكَّىٰ

He has certainly succeeded who purifies himself