Younger Next Year is totally inspirational.
Defending The Declaration shows how English then American civilization based it’s ideas of law, liberty, and democracy on biblical principles. It also shows why Deism and the influence of Deism on America is mythical, having been fabricated starting in the late 1800’s.
Think A Second Time, by Dennis Prager. Copyright 1995. Paperback 332 pp.
https://randomraindrops.com/table-of-contents/books/think-a-second-time/
What to read first?
The Idea of Natural Rights: Studies on Natural Rights, Natural Law, and Church Law 1150 1625 (Emory University Studies in Law and Religion) by Brian Tierney (Jan 1, 1997)
Religion, Law and the Growth of Constitutional Thought, 1150-1650 by Brian Tierney (Dec 11, 2008)
Natural Rights Theories: Their Origin and Development by Richard Tuck (Jan 29, 1982)