91:10
وَقَدْ خَابَ مَن دَسَّىٰهَا
waqad khāba man dassāhā
and the one who corrupts it fails.
And indeed he fails who corrupts his ownself (i.e. disobeys what Allâh has ordered by rejecting the true Faith of Islâmic Monotheism or by following polytheism or by doing every kind of evil wicked deeds).