"Having a Form of Godliness But Denying its Power"
As I read through this passage it struck me that this huge list of sins were the attributes of those who were within the church; that is why it states, "having the form of Godliness but denying its power". This list is full of dreadful things but also, I think, things that might seem to hit a little too close to home than we'd like. For example, lovers of themselves, disobedient to parents, unthankful... these are huge problems in the society we live in, and as usual, the world has crept in to the church and left us with the same distasteful characteristics.
But Notice that all the characteristics stem from one point, "having the FORM of Godliness but DENYING its power". You see, we have heard the slogan "come as you are" and this is a great slogan; but lately churches have added "and stay as you are" but this makes no sense to the plans of God, in fact, it contrasts our very gospel. It says in Titus 2:14 - "who gave Himself for us, that He might redeem us from every lawless deed and purify for Himself His own special people, zealous for good works". Our gospel is that Gods Spirit and power will transform us more and more into the image of His Son IN THIS PRESENT AGE!
So I say come as you are but know that God will not allow you to stay as you are. We serve a true and living God who is mighty and able and will purify us, and cause us to walk in His will. If you become complacent to this... if you love your FORM of Godliness but deny the transforming power of Gods grace, then know that He will vomit you out of His mouth. Therefore, repent and be zealous for God. Believe in Him and watch as you walk on water by His strength alone!