﴿ قَدْ أَفْلَحَ مَن تَزَكَّىٰ ﴾

“To happiness [in the life to come] will indeed attain he who attains to purity [in this world],”

(He is successful) and saved (who groweth) he who takes admonition by means of the Qur'an and believes in Allah's divine Oneness,