allah will not call you to account for that which is unintentional in your oaths but he will call you to account for that which your hearts have earned. and allah is oftforgiving mostforbearing.
لا يؤاخذكم الله باللغو في أيمانكم ولكن يؤاخذكم بما كسبت قلوبكم والله غفور حليم