In Response to On-Faith's question, "Which of the Seven Deadly Sins is most prevalent and harmful in our society today?"
This question is one based on misunderstanding, pride, and making a mountain into a mole-hill. In Christianity there is, as Cal Thomas put so masterfully, no gradiation of sin. In the works-based cult of Catholicism is there an idea that you can go to Hell any quicker by breaking certain laws. This cult is only Christian in the liberalist of definitions, a definition which has nothing to do with being a follower of Christ.
This ridiculousness of the idea of seven deadly sins is made manifest when you actually read the Bible for what it says.
All liars will have their place in the Lake of Fire. It doesn't imply that prideful liars are condemned and humble liars are not.
The idolater has no inheritence the kingdom of Christ and of God. There is no room to squeeze, "The gluttonous idolater is doomed while the sumptuous idolater is not." There is plenty of room to say that someone who lusts after money is an idolater and anyone who makes up a God which suites them is equally so as someone worshipping a golden Buddha.
Rest assured, each of the Catholic sins are deadly in Christianity, but trying to make them moreso than any other is making an idol which is not entirely Holy in every way.
You've heard it said of old, thou shalt not commit adultery, but Jesus said, whosoever looks upon a woman to lust after her has committed adultery with her already in his heart.
You will be judged as harshly if you've lived a life of larceny, or if you've stolen only one thing no matter the value, but you will also be judged on the thoughts and intents of your heart. If you've thought of stealing something, your deceitful mind will damn you.
Considering anger, everyone who hates his brother is a murderer, and you know that no murderer has eternal life abiding in him.
The sin of blasphemy is as deadly as the sin of murder. Adam and Eve disobeyed God and caused the fall of the Universe, how much more deadly is embracing the culture of fornication, pornography, and mammon-worship?
Sin came into the world through one man, and death through sin, and so death spread to all men because all sinned; but many have the grace of God and the free gift by the grace of that one man Jesus Christ abounded for many.
We have caused the death of not only ourselves, but the rest of God's creation, we deserved to be punished. If a judge did not sentence a murderer, we would call him a bad judge; because God is good, He must punish the murderers, the rapists, the fornicators, the adulterers, the thieves, and the liars.
But because God is love, and He loved us, not that we loved Him, He became the man Jesus Christ and went to the cross in your stead. Our sin and death caused the death of the God of the Universe through His offering, so that we might be absolved in His substitutionary death. Then on the Third Day, He showed His absolute authority over the law of sin and death, and rose from the grave to live forevermore.
For the judgment following one trespass brought condemnation, but the free gift following many trespasses brought justification. For if, because of one man’s trespass, death reigned through that one man, much more will those who receive the abundance of grace and the free gift of righteousness reign in life through the one man Jesus Christ.
He demands everyone everywhere to repent, because he has appointed a day on which he will judge the world in righteousness by a man whom he has appointed; and of this he has given assurance to all by raising him from the dead.
Whoever believes in him is not condemned, but whoever does not believe is condemned already, not by breaking one of the Catholic Churches Seven Deadly Sins, but by breaking any of God's moral laws.
Pride will keep you from this grace and forgiveness, rest assured that pride comes before destruction and the haughty heart before the fall. Humble yourself before God, and He will lift you up, not because you haven't broken the Seven Deadly Sins, but because you have broken them magnificently and Jesus Christ paid your fine so that you are absolved.