In the sermon, Jason emphasizes the prophetic nature of Daniel's apocalyptic vision as a means of preparation for the future, particularly for the Jewish people. He discusses the historical context of kingdoms and leaders such as Antiochus, illustrating the consequences of rejecting God’s truth and succumbing to manipulation through flattery. True believers, he asserts, must know God and His Word to withstand cultural pressures and false teachings, ultimately making significant progress in their faith despite challenges.