Quote:
Malachi:
John 1:14 says that the word became flesh, how can you separate the two natures?


We are not discussing chemistry. God can express Himself in human nature (man is created in the image of God) and He can guarantee there will be no mix of the two natures, yet a union.

Quote:
Malachi:
We see what Greek philosophy has done so that there occurred an apostasy from apostolic Christianity.


I don't see that. The apostles glorified God in Christ; they believed trinitarian; this is imv clear from the GT ( if you accept the testimony of the GT).

Quote:
Malachi:
Nothing you wrote above has ANY scriptures from the Hebrew Bible or GT to back it up. The doctrine of the Trinity has shown to be a man made doctrine invented in the 4th century.


The Hebrew Bible cannot prove the Trinity; I give you that. But imv there is enough data in the Tanach that points to or confirms a trinitarian concept of God. See my earlier posts.
The explicit formulation of the doctrine is from the 4th century; it is not "invented" in the 4th century.

Aad