Matt 7:15 Beware of false prophets, which come to you in sheep’s clothing, but inwardly they are ravening wolves.
In the latest coronavirus outbreak of a South Korean cult Church, Shincheonji Church, some in the West were curious about why it was called a cult Church, eg is it 60% Christian etc. Coming from their liberal background, the question hides a fear that their own churches are also cults in the sense that it does not really believe that Jesus is the only way, the truth and the life to God.
Deut 30:11 to 20
Deut 30:17 But if your heart turns away and you will not hear but are drawn away to worship other gods and to serve them.
18 I declare to you today that you shall surely perish. You shall not live long in the land that you are going over the Jordan to enter and possess.
In Deut 30, the Jews were at last entering the promised land after 40 years in the desert because they had been very naughty to worship pagan gods in the midst of the camp and God had to do the cleansing of the previous generation whom within 40 years had died.