How can observing Sabbath rest be an expression of the Christian faith?

Kevin Conway completed his PhD in Biblical Studies at the University of Cambridge. For the last several years, he has served with the para-church ministry, Cru - Eastern Europe, as a team leader and teacher for their staff in Eastern Europe and Russia. He now trains pastors and church leaders with Christian Educators Outreach (CEO). Here he answers questions related to his talk "What Does Sabbath Rest Mean for Christians Today?" given at the 2022 European Leadership Forum.