In Jude’s warning to the church about those who crept in unawares preaching heresy, he compared their actions to those of Cain. Cain tried to substitute his works for faith, even though God had prescribed the way to come to Him. His responses to God were peppered with falsehood, his laborious efforts were futile, and he acted in fear instead of faith. Click the link to watch the referenced Festival of Faith: "What was in the Heart of Cain?" Jude 1:11 - What Was in the Heart of Cain? - Jude Series #13