لا يؤاخذكم الله باللغو في أيمانكم ولكن يؤاخذكم بما كسبت قلوبكم والله غفور حليم
Not will take you to task Allah for (what is) unintentional in your oaths, [and] but He takes you to task for what (have) earned your hearts. And Allah (is) Oft-Forgiving, Most Forbearing.