In this collection of talks presented in 2025 at The Evangelical Group in Budapest, Hungary, Dr. Daryl McCarthy examines the growing influence of theological liberalism within Christianity and the challenges it presents to biblical orthodoxy. He explores why sound doctrine matters, how Christian leaders and theologians can gradually drift away from historic biblical teachings, and why theological compromise can be so appealing. The paper also considers how believers should respond to doctrinal error and offers practical encouragement for pastors, scholars, and Christian leaders to remain faithful to Scripture and strengthen the Church's commitment to biblical truth.