John Piper listed 7 Biblical reasons to tithe in a sermon, “Toward the Tithe and Beyond,”
1. Honoring an Old Testament Principle
2. Honoring the Creator as Owner of All
3. The Antidote to Covetousness
4. Governing Ever-Expanding Spending
5. God’s Way of Bringing About Good Deeds
6. God’s Way of Providing for You
7. Proving and Strengthening Our Faith