Centuries later, when all living beings upon the earth were threatened with destruction, when corruption filled the earth, caused by a lack of repentance, the prophet Noah labored valiantly in crying repentance unto the people, but to no avail. All living upon the earth, except Noah and his family, were destroyed by a flood of waters. For verification of this, the Old Testament account of the great flood, though written by Hebrew or "Shemitic" historians, is substantiated by the historical writings of many other nations and peoples.