قَدْ أَفْلَحَ مَن زَكَّىٰهَا
Qad afla h a man zakk a h a To a happy state shall indeed attain he who causes this [self] to grow in purity,
 - Mohammad Asad
indeed successful will be the one who keeps it pure,
 - Muhammad Farooq-i-Azam Malik
Successful indeed is the one who purifies their soul,
 - Mustafa Khattab
He is indeed successful who causeth it to grow,
 - Marmaduke Pickthall
Truly he succeeds that purifies it
 - Abdullah Yusuf Ali