Does what we do in church shape what we believe—or does what we believe shape what we do?

In this episode of Christendom in the World, we unpack the famous phrase lex orandi, lex credendi ("the law of prayer is the law of belief") and ask a critical question: does practice establish doctrine, or does Scripture establish both?

Drawing on church history, including Prosper of Aquitaine and the Reformation, we explore how liturgy, worship, and everyday church practices reinforce what Christians confess—without replacing the authority of God's Word.

If doctrine and practice can't be separated, how should Christians think about worship, baptism, communion, and the authority of Scripture today?

This episode helps you see why what happens on Sunday morning matters more than you think—and why Scripture must remain the foundation of it all.

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