Triune God, modalism, or are you heretic?

[UntoHim]

Originally Posted by Ohio

I like expressions like this -- "the Son is the Spirit, yet He is not" -- simply because the Bible basically says both of these. Expressions like this one acknowledges that we understand our God is three-one, yet He is inexhaustible, beyond our ability to understand.

Question for whippersnapper Ohio (and this is NOT a gottcha question, but I am seeking to understand your understanding, if you understand me correctly)

Where does the Bible say "He is not" (that the Son is not the Spirit)