they have said hell fire will never harm us except for just a few days. ask them have you made such agreements with god who never breaks any of his agreements or you just ascribe to him that which you do not know?
وقالوا لن تمسنا النار إلا أياما معدودة قل أتخذتم عند الله عهدا فلن يخلف الله عهده أم تقولون على الله ما لا تعلمون