Who can explain this?

“Jesus Christ is the same yesterday, today, and forever.” (Hebrews 13:8)

While working on comments about eternal life, I keep hearing people’s thoughts like this:

1. The Trinity is the idea of a human named Tertullian around AD 220.
   He created the paradox of 3=1, 1=3 using the word “Trinity” as a linguistic trick.
   And the monotheism that the Jews and the early church believed in was ultimately abolished in AD 553.
   This was referred to as Modalism.

2. Then what about Mary? Without Mary, the Son cannot exist. Can someone explain this?

3. When calling God “God,” it is correct to think of the Triune Father, Son, and Holy Spirit together.
   Calling God but only thinking of the Father,
   without thinking of the Son Jesus and the Holy Spirit, comes from a habit rooted in Modalism.

4. It just seems like wordplay. Why can’t they give a clear answer whether it is three persons or one…
   Why can’t they say it clearly? Three or one… Why can’t they just state it plainly?
   If the Father is God and the Son is Jesus, aren’t they each distinct?
   Why won’t they say whether it’s three or one? It just seems like wordplay.

5. Is Jesus God?

If you don’t believe that Jesus Christ, who is Jehovah made flesh, abolished death, you are in darkness.
Only Jesus Christ, who came with that gospel, is the “light.”
God never said that the Trinity is eternally the same.