I think everyone who has an interest in Reformed theology, or just in Christian theology more generally, should read John Calvin Institutes.

[John] Calvin is revered as a thinker of immense importance in Reformed thought, Jonathan Edwards could say in his preface to his treatise on Freedom of the Will that he had derived none of his views from the work of Calvin, though he was willing to be called a "Calvinist" for the sake of convention.

There are constraints on what counts as "Reformed." It's more than a name or a label. It's about belonging to a particular theological stream or tradition, which is shaped in important respects by particular thinkers and their work, particular arguments and ideas, a particular community (especially, particular church communities, denominations, and so on), particular liturgies or ways of worshipping and living out the Christian life, and particular confessions that inform the practices of these communities.

The expansion I have in mind isn't the same as distortion. Of course, there are those who say their views represent Reformed thought, but what they end up with is a caricature of what Reformed thinking is really about. I hope I am not one of those people, but readers [of the Saving Calvinism] will have to make up their own minds on that score!

[Jonathan Edwards] he has to be engaged with on this issue if you're writing about Calvinism as I am in this book.

Now, don't get me wrong: I'm not rubbishing penal substitution. But there are other options that have been advocated by Reformed thinkers of the past.

[John Calvin's] treatment of the person and work of Christ, of the Holy Spirit in the life of the believer, of prayer and liturgy, of the sacraments, and of the way in which we have an in-built sense of the divine that we suppress to our great sorrow - these are all immense contributions to Christian thought. The same could be said of his commentaries, which are still regularly consulted by biblical critics today.