7 Bible Verses about Apostasy, Cause

"Simon, Simon, behold, Satan asked for you, to sift you as the wheat;

I know that, after my departure, grievous wolves will enter in among you, not sparing the flock;

For there will be a time when they will not endure the healthful teaching; but, having itching ears, they will for themselves heap up teachers according to their own desires;

Consequently, there remains a sabbath-keeping for the people of God. For He Who entered into His rest, Himself also rested from his works, as God did from His Own. Let us, therefore, give diligence to enter into that rest, that no one fall after the same example of unbelief.

for Demas forsook me, having loved this present age, and went to Thessalonica; Crescens, to Galatia; Titus, to Dalmatia.

Now, while hearing these things, they were being cut to their hearts, and were gnashing their teeth over him.

And, disagreeing among themselves, they were departing, when Paul uttered one declaration, "Well did the Holy Spirit speak through Isaiah, the prophet, to your fathers, saying, 'Go your way to this people, and say, With hearing ye shall hear, but in no wise understand; and, looking, ye shall look, and in no wise see; for the heart of this people was made gross; and with their ears they heard heavily; and their eyes they closed; lest at any time they should see with their eyes, and hear with their ears, and understand with their heart, and should turn, and I should heal them.'