Against Hermogenes is a book written by Tertullian, a prominent early Christian writer and theologian. The book is a polemic against the teachings of Hermogenes, a second-century Gnostic theologian who denied the doctrine of creation ex nihilo and claimed that matter was eternal. Tertullian argues that Hermogenes' teachings are not only false but also dangerous, as they undermine the Christian belief in the sovereignty of God and the authority of...