LOL -- solid aurum.
In other words, by cause-and-effect?
How about these, re the existence of God:
1. the Bible
2. time divided into BC & AD
3. organizations such as the Red Cross and Salvation Army
4. hospitals built by Christian organizations
5. Christian artwork, edifices, statuary, and literature
6. IN GOD WE TRUST on our coins
7. UNDER GOD in our pledge of allegiance
8. the Ten Commandments and other literature displayed in public
9. Christmas & Easter
10. symbols on bumper stickers and flags
11. public debates in the name of Christianity
12. crosses and billboards erected to testify of Jesus Christ
13. two major nations founded on His existence
14. martyrs
15. Christians & Jews
(Or can cause-and-effect take a hike now?

)
Which came first, in your opinion? God, or belief in God?
In your opinion.