The most renowned of thinkers have been proved wrong again and again, even though what they taught seemed at the time to be beyond dispute.
وقد أُثبت مرارا وتكرارا خطأ اشهر المفكِّرين ،‏ رغم ان ما علَّموه بدا في ايامهم غير قابل للنقاش .‏