91:9

قَدْ أَفْلَحَ مَن زَكَّاهَا

Transliteration:

Qad aflaha man zakkaha

Word by Word:

Indeed, he succeeds who purifies it,

Translations:

To a happy state shall indeed attain he who causes this [self] to grow in purity,

Truly he succeeds that purifies it,

He is indeed successful who causeth it to grow,

He is indeed successful who causes it to grow,

He has succeeded who purifies it,