Should Christians tithe? Historically, did Christians tithe? Was biblical tithing limited to agricultural produce? What exactly is a tithe? How does one calculate a tithe? In modern times, should one tithe on their gross or net income? How should salaried people calculate tithes? How should self-employed people calculate tithes?

Should Christians give thanks and praise to God? Is this important? If so, how should this be done? What does the Bible teach about giving thanks and praise to God? Does faith fit in with any of this? What should we be thankful for? Can "The Bible Hymnal" with its Psalms help? What does the Bible teach happens to those who are unthankful?

What is Halloween? What do Druids and saints have to do with it? Does the Bible endorse Halloween? When did people start to observe it? Should Christians celebrate it? It seems like more reasons are given by some Protestants and Catholics each year to observe it. In this video, Dr. Thiel gives 17 reasons that have been given to celebrate Halloween and debunks each of them from the Bible.

Did God have a plan of salvation before the foundation of the world? Was the moon made to make God's Holy Days? What about common holidays? Did the apostles and early followers of Jesus keep the biblical Holy Days? Are they listed one place in the Bible? What are they? What to they mean? Does God have a plan of salvation that will result in most who ever lived being saved?

What should be the work of the most faithful Christian church be doing? What should be the priority for Christians? What did Jesus tell the Philadelphia portion of the Church of God? What did Herbert W. Armstrong teach? What does the New Testament teach? What is the open door? Does proclamation include reaching Gentiles?

Jesus spoke on that 'last great day of the Feast' in John 7:36-37. Does this have any connection with the 'great white throne judgment in Revelation 20? Does the Bible teach that God will offer salvation to all that ever lived? For those not receiving a true offer in this age, will they have an opportunity during the 'age to come'?

Is the teaching of deification a new or cultic idea? Does the Bible teach it? Did early Christians teach it? Did Greco-Roman saints teach it? Did Martin Luther teach it? What about Ignatius and Theophilus of Antioch? Does it have anything to do with the family of God or the Kingdom of God? Are humans intended to rule the universe?

Jesus gave a message to the Philadelphia portion of the Church of God in Revelation 3. On December 17, 1983, the late Herbert W. Armstrong gave a sermon titled, "The Mission of the Philadelphia Church Era." In that sermon, he went over the mission of the Philadelphian portion of the Church of God as well as 18 truths he believed that God had him restore that the Sardis era no longer had. In this sermon, Dr. Thiel goes provides quotes from Herbert Armstrong's sermon, as well as each of the 18 truths.