Ash-Shu'ara' - 26:89

إِلَّا مَنْ أَتَى اللَّهَ بِقَلْبٍ سَلِيمٍ
[26:89]
Except him who comes to Allah with a heart free (from evil).
"But only he (will prosper) that brings to Allah a sound heart;
Save him who bringeth unto Allah a whole heart.