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If you cannot communicate your meaning simply means you haven't thought about it deeply and if I find this most common with religious truth.
If you're trying to communicate your religious position and you can't find the right words to do so it's likely because the religion is not actually yours it was handed over you over to you by your parents and their society
that is why many people resort to violence to defend their religious position because they lack the words or the conviction to defend it spiritually, morally or logically.
That's it. And that has always been life.