I think you misunderstood my comment. I was not saying that mysticism is correct, but that there are matters that are beyond the understanding of the human mind, including natural science.
As to natural science being the only road to truth, natural science is itself founded on human experience, and human experience is also the basis forms of truth, such as ethical and mathematical.
As to natural science being the only road to truth, natural science is itself founded on human experience, and human experience is also the basis forms of truth, such as ethical and mathematical.