Went out unto his brethren - At the end of 40 years. The Egyptian princess had not concealed from him the fact of his belonging to the oppressed race, nor is it likely that she had debarred him from contact with his foster-mother and her family, whether or not she became aware of the true relationship.
An Egyptian - This man was probably one of the overseers of the workmen, natives under the chief superintendent Exodus 1:11. They were armed with long heavy scourges, made of a tough pliant wood imported from Syria.