This article discusses Clement of Alexandria’s doctrine of Scripture based on the terms “voice” of God, “first principle,” and “demonstration” that he uses for Scripture. By studying the usage of these terms and the related passages, it will be made clear that Clement regards Scripture as a vessel of God’s voice, favoring what is now called the theory of verbal inspiration. Moreover, the divine voice, like the voice of sirens, leaves no choice for the listeners but to submit and follow. This absolute submission is rational, because Scripture is a first principle, whose truth does not depend on any demonstrations. However, those who firmly believe in its truth will find abundant demonstrations in it that will guide them to a better and deepe...