8 Bible Verses about Syncretism

Now when the crowds saw what Paul had done, they shouted in the Lycaonian language, "The gods have come down to us in human form!" Barnabas they called Zeus, and Paul Hermes, since he was the chief spokesman. Indeed the priest of the temple of Zeus in front of the town brought oxen and garlands to the gates, intending to offer sacrifice along with the crowds.

While Paul was waiting for them at Athens, his soul was irritated at the sight of the idols that filled the city. He argued in the synagogue with the Jews and the devout proselytes and also in the marketplace daily with those who chanced to be present. Some of the Epicurean and Stoic philosophers also came across him. Some said, "Whatever does the fellow mean with his scraps of learning'?" Others said, "He looks like a herald of foreign deities" (this was because he preached 'Jesus' and 'the Resurrection').read more.
Then taking him to the Areopagus they asked, "May we know what is this novel teaching of yours? You talk of some things that sound strange to us; so we want to know what they mean." (For all the Athenians and the foreign visitors to Athens occupied themselves with nothing else than repeating or listening to the latest novelty.) So Paul stood in the middle of the Areopagus and said, "Men of Athens, I observe at every turn that you are a most religious people. Why, as I passed along and scanned your objects of worship, I actually came upon an altar with the inscription TO AN UNKNOWN GOD. Well, I proclaim to you what you worship in your ignorance.

Some strolling Jewish exorcists also undertook to pronounce the name of the Lord Jesus over those who had evil spirits, saying, "I adjure you by the Jesus whom Paul preaches!" The seven sons of Sceuas, a Jewish high priest, used to do this. But the evil spirit retorted, "Jesus I know and Paul I know, but you ??who are you?"read more.
And the man in whom the evil spirit resided leapt at them, overpowered them all, and belaboured them, till they rushed out of the house stripped and wounded.

Never let yourselves be carried away with a variety of novel doctrines; for the right thing is to have one's heart strengthened by grace, not by the eating of food ??that has never been any use to those who have had recourse to it.

You cannot drink the cup of the Lord and also the cup of daemons; you cannot partake of the table of the Lord and also of the table of daemons.

but now that you know God ??or rather, are known by God ??how is it you are turning back again to the weakness and poverty of the Elemental spirits? Why do you want to be enslaved all over again by them? You observe days and months and festal seasons and years!

Let no one lay down rules for you as he pleases, with regard to fasting and the cult of angels, presuming on his visions and inflated by his sensuous notions,

Well then, with regard to food that has been offered to idols, I am quite aware that 'there is no such thing as an idol in the world' and that 'there is only the one God.' (So-called gods there may be, in heaven or on earth ??as indeed there are plenty of them, both gods and 'lords' ??6 but for us there is one God, the Father, from whom all comes, and for whom we exist; one Lord, Jesus Christ, by whom all exists, and by whom we exist.)