Slavery in the Bible

Is Slavery instructed from the Bible, or from the Quran? This document is not intended to demonize or insult any Muslims. I find Muslims to be very sincere in their religion and living a life to please God to attain eternal life. Even I, as a Christian, can only wish to be as dedicated to maintaining such rituals and regulations as Muslim believers achieve. It is also true that Muslim believers are peaceful and respectful [...]