Deuteronomy is the heartbeat of the Old Testament and the constitution of Israel. It is a condensed form of the entire Bible, quoted 195 times in the New Testament.
The book of Deuteronomy is addressed to the Israel of God, a group of God's called out ones who have been convicted that the Law has not been done away.
Deuteronomy is the heart of the Old Testament, with its words throughout the New Testament, providing a foundation of doctrine and an outline for entering God's Kingdom.
In Leviticus 23, God's festivals are called appointed times. One appointed time for ancient Israel was the fulfillment of the 70 Weeks prophecy of Daniel.
God has set in place a wonderful system to pay for the promulgation of His truth. Here are answers several common questions on the subject.