I delight in finding the Trinity of God hidden in familiar passages of Scripture.  I discovered one this one in the contents of the Ark of the Covenant. 

The Ark of the Covenant contained three things:  1-the stone tablets upon which the finger of God wrote His covenant, 2-a golden pot of manna, and 3-Aaron’s rod that budded (Heb.9:4). 

It is easy to see how the stone tablets symbolize God the Father because . . .