 thinking and pondering how allah created various things in the upper and lower realms and in the space between realizing that this was not created in jest or in vain but in truth and that it will continue until an appointed time the day of resurrection
أولم يتفكروا في أنفسهم ما خلق الله السماوات والأرض وما بينهما إلا بالحق وأجل مسمى وإن كثيرا من الناس بلقاء ربهم لكافرون