This section of Exodus is a combination of moral, ceremonial, and civil laws, which point us to Christ and/or guide our lives today.
In order to understand marriage, we need to go back to the creation of the woman in Genesis 2:18-25.
Paul praised God the Father for choosing us and predestining us to be his children.
To be ready for Jesus’ coming, we need to be doing what he has already told us to do.