Ash-Shams • BN-TAFSEER-IBN-E-KASEER
﴿ قَدْ أَفْلَحَ مَن زَكَّىٰهَا ﴾
“To a happy state shall indeed attain he who causes this [self] to grow in purity,”
Please check ayah 91:10 for complete tafsir.