I beg your pardon for verbosity – but this thesis of yours deserves a lengthy discussion. This “foundational premise” idea is misleading and, in a sense, even dangerous. It implies the world where the generic notion of God the Creator was universally taken for granted. Like it or not, things have changed – at least throughout the Global North countries. Likewise, the authority of the Bible (or the authority of the church hierarchy) is no longer “properly basic”. Refusing to admit the reality does no good to apologetics and helps nobody to become a believer or to retain faith.
That’s not to say that the Bible is not foundational; it is foundational, but in a special sense: every Christian believer’s faith stems from hearing or reading the Gospel. No conversion is possible without a future Christian being fascinated by the image, words, and deeds of Jesus Christ. “Were not our hearts burning” (Luke 24:32) – this is how faith begins.
Nonetheless, one may be captivated by the story of the benevolent, courageous, and non-violent Jewish preacher and healer without acknowledging him as (the Son of) God. To accept him, according to the Bible and the ecumenical creeds, as the Son of God who has been creating and sustaining the entire world, means going much further. To make these steps, believers often need a rational theological discourse about the world. Instead of judging and rejecting the modern knowledge, Christian theology should rather understand and utilize it.
The religious fundamentalists and atheist intellectuals of our age share the foundational premise that modern sciences are incompatible with faith or, at least, with theology as a rational endeavor. But it’s possible to demonstrate that not only natural theology in general, but even the teleological argument, however denigrated and ridiculed it was, may be utilized without rejecting modern scientific knowledge about biological and cosmological evolution.
It’s even possible to start from the naturalist premise that only the physical Universe exists – and return to the notion of God the Creator.
The naturalist premise implies that the Universe doesn’t have any external causes. It exists, although nothing causes it to exist. Therefore, it is primordially active itself. It is the causa sui.
In fact, a materialist philosophy may be quite happy with the notion of primordially active matter (e.g., that was the case of classical Marxism). But grasping that the primordially active matter is also the primordially ordered matter is a game changer.
I’m not hinting at the claim that the Universe or multiverse must necessarily be “fine-tuned” to permit the emergence of complex structures, life, and so forth. The argument may follow the similar vein but be somewhat simpler. No evolutionary process, whether it results in emergence of life or not, could unfold in a world void of any kind of order. At the very least, there should be a certain regular interdependence of phenomena, events being contingent on some circumstances and bringing about their own effects. In short, having some kind of order is prerequisite for any further evolutionary development.
So, the primordial order can’t be established from the outside – there is nothing outside the world according to the naturalist premise; likewise, the primordial order can’t be an outcome of the evolution it precedes and enables. Its existence is the primary, spontaneous act of the primordially active reality – and this spontaneous act is ordering itself. The free self-ordering may be fittingly called an intentional and reflexive, self-relational act. The intentional and reflexive act as the ground of being – this notion is clearly beyond naturalism as philosophy.
At the same time, it corresponds with the Christian theism perfectly well: God is the primary actor who creates everything and, therefore, is not limited by any other power; the creative activity of God ad extra is premised on the intra-Trinitarian relation between the Father, who creates through his Word, the Word, or the Son, who is freely humiliating himself in order to accomplish the creation and hand it over to the Father, and the Spirit, who is common to the Father and the Son.
Certainly, this correspondence between the big theological picture emerging from the Bible and a rational discourse about the world is not a proof in the strict scientific sense of the word. Nonetheless, it helps to make the biblical faith comprehensible and plausible without making it less paradoxical: the self-humiliating God is the paradox incarnate. In the end, the authority of the Bible is reinforced without the doomed attempts to deprecate sciences.