I agree with you almost completely, just not that last part; the rest was phrased quite eloquently. Don't get me wrong, "don't ask questions about it's validity" is accurate, but without asking questions and studying theology you can't advance your understanding of the text in the book either. Scripture is information that grants knowledge about one's religion. It's extremists that insist that there should be no questioning, simply blind faith and obedience. But that's how those in charge of caretaking a religion (it's priests, pastors, heirarchy, etc.) maintain a level of control over the followers beyond simply being in a position of authority. It can be an informing study discovering the differences in those who claim to practice the exact same faith, by looking at churches who discourage and condemn questions and those that encourage them in order to gain greater insight.
And nobody is absolutely perfect, and in faith (at least christianity) nobody is even expected to be perfect, simply to do their best to live by the tenets of their scripture. Considering this, it's a great fool indeed who doesn't ask questions when they have a sick child dying in their bed. Even if their fellow extremists consider it a "sin", saving the child's life could hardly be an act that would condemn them. While I realize that isn't always the case, it would (or at least should) just go to display even further the fanatical extremity that was practiced if they were outcast as a result.
Regardless, as you said, religion isn't about furthering knowledge or science. It's about something completely different. That, however, doesn't mean it needs to be an impediment either, religion and science are not mutually exclusive. The problem with science from the perspective of religion is that it grants a greater understanding of the world and universe around us that wasn't simply given us in scripture, and so there are those that would claim it "wasn't for us to know", which is silly. The advancement of science is an achievement that required centuries of incremental progress to reach the level of acceleration we are currently experiencing. While I don't know if it may have come sooner if it were not for various religions holding it back, I will enjoy the discoveries that are made throughout my entire life, and regret only that I won't be around for what is discovered after my own death.
And this can simply be argued with "We can't prove we're right, but you can't prove we're wrong, either", and ultimately, that's enough (for me, anyway). The essential concept here is faith. The point is faith, at least in my mind. With empirical evidence there could be no faith, as the focus of that "faith" would simply be known fact. I personally am able to live without inner turmoil, simply because I accept that I don't need to be able to see a physical manifestation of my faith in order to believe in it's validity. In all other things, I require and employ some degree of critical thought, and yet when it comes to the questions "Why am I here?" and "What is it all for?", I can simply accept the answer given me. Rather than feeling inner turmoil, it actually gives me a measure of peace to have something that I am able to simply accept on faith that is so profound, rather than dig and question it endlessly.
I leave it to a friend of mine to handle the voracious studying into deeper theological concepts and proofs, and he's the apologist, not me, so you've probably heard this before and are able to dismiss it readily. But it's my answer to your question, responded to since I feel the same as the person you quoted, and you seemed more focused on what was said rather than who said it.
And there is a simple logical step when going from "the existence of God" to "the existence of heaven and hell". If a person believes in the existence of a specific God, and believes that their scripture is true and accurate, then believing in the existence of an afterlife that is contained inside of said scripture is both normal and logical. I'm actually surprised you don't see the connection.
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