There are many books, quotes, and scriptures that are related to adoption. Adoption is viewed by most Christians as powerful as many view that they were “adopted” by their Heavenly Father.
Here are just a few of many inspirational Christian quotes and scriptures about adoption.
Source of “Nobody” through “The Gospel” http://www.whatchristianswanttoknow.com/18-christian-quotes-about-adoption/
Source for the last three: