All religions are meant to teach morals. At least, that is quite a popular view adopted in this age. The Hindus especially believe in the supremacy of values or ideas as compared to truth (of course, it is maintained that the values and ideas are true, what this means is that it may not even matter if the "Gods" are true). Closely related to this idea is that religions are meant to be a support, a source of hope for people. In the same way, it need not be true. And finally, a conclusion may be drawn that all religions are the same.
Take a most basic look at Christianity and you will find that none of these views stands. Paul put it quite directly, saying that if the resurrection had not really occurred (as in, it was perhaps a symbol - though I do not mean he was talking about that, the date was too close for things to become symbolic - or perhaps not a literal resurrection), then Christians of all people are to be the most pitied. Why so? Simply because the Grand Miracle of Christianity is the resurrection! Granted, the Incarnation and the Sacrificial Atonement (ie: Death of Christ) are also 2 other important events. That is besides the point. The point is that if none of these had not Actually happened in 1st century Israel, then our Faith is pointless.
Indeed, the central teaching of Christianity is not Good morality or good deeds, but a Good News. Certainly, morality has a part - Christ did preach the sermon on the Mount. But he came and told people to repent - as if they had something to repent of in the first place. Morality was already somewhat in place before Christ. That is not the central message. The central message is that we are taught that somehow, by the life, death and resurrection of Christ, we are made right with God, and can be reconciled with God..
In that case, if Christ had not lived, then what are we learning? Simply, the central message is not there! There is no reconciliation with God if there was no Christ - He declared Himself to be the Way, not any method of living or whatsoever..
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To deal with the side issue about religion offering support and hope.. I must say, certainly. As in, it does offer both. But it makes little sense to say that even if we know it to be false, it still can offer support and hope. You might as well hope in a fairy Godmother of your imagination. No, certainly people do not come to religion for comfort, and finding comfort, believe it. The believing will have to come first, comfort as a result of that..
Just some thoughts ;)
PS: THANK YOU JOY!!!!
PPS: To all people who are not there yet: The Lord be with YOU!!