Part of open theism's propaganda is to convince everyone that traditional Orthodox teachings were influenced by Greek philosophers, therefore the OVT claims traditional Orthodox teachings are incorrect.
Let’s look at Acts 17:28:
(Acts 17:28) For in him we live, and move, and have our being; as certain also of your own poets have said, For we are also his offspring.
Paul was in Athens, Greece when he said this. Paul states that what the Greek philosophers have written regarding man having a soul separate from a physical body is true. Paul exclaims “as certain also of your own poets have said.”
This is Paul referring to Greek philosophers and confirming that the Greek philosophers were correct in what they wrote about the human soul. The teaching of a soul seperate from the physical body is in contrast to humanism, sceintism, and physicalism. The Greek philosophers believed in dualism, which is the correct view of the human soul and physical body.
So, before you let the open theists convince you that everything the Greek philosophers said is false, remember that Paul said otherwise, and agreed with the Greek philosophers re: the human soul.
This does not mean that everything the Greek philosophers said is true, but it points out that some things the Greek philosphers said about God were true, even though the open theists attmept to discredit everything by the Greek philosophers.