Book of Jasher 76:10
And all the children of Cush were afraid to stretch forth their hand against Moses, for the Lord was with Moses, and the children of Cush remembered the oath which they swore unto Moses, therefore they did no harm to him.
And all the children of Cush were afraid to stretch forth their hand against Moses, for the Lord was with Moses, and the children of Cush remembered the oath which they swore unto Moses, therefore they did no harm to him.