Why did slaves learn to read if it was outlawd by slave codes

Slaves clearly did not embrace the laws that enforced their labor and captivity, so they did not have any reason to uphold the law.  Humans also have a natural desire to learn, so slaves desired more of an education.  They also knew this could eventually help contribute to their freedom.

in 550 b.c.e. cyrus the great, the leader of the persians, conquered the medes and united the iranian people under one ruler for the first time. cyrus became the first king of the persian empire and went on to establish one of the largest empires in world.