ذلك اليوم الحق الذي لا ريب في وقوعه فمن شاء النجاة من اهواله فليتخذ الي ربه مرجعاً بالعمل الصالح

That is (without doubt) the True Day. So, whosoever wills, let him seek a place with (or a way to) His Lord (by obeying Him in this worldly life)!