Perhaps no religion is the right or true religion. Perhaps there is truth and all religions are simply grasping at part of it.
to say that there's no right religion, so we should study all of them and judge them fairly, if we found errors, contradictions, unbelievable things, and we discussed with the believers about that doubts and we couldn't find a making sense answer so we can say that all of them are wrong, do you do that?
I saw your comment earlier, abduallah, that our way of knowing truth is through the use of our own mind. I have not read through the responses as this is a very long thread now. But can you explain what you mean by using your mind? How do you use your mind to know that your religion is the true religion?
look dear, what's the difference between Mankind and other animals, why we got that mind which able to build this civilizations, technology, laws,..?
the difference is the mind, the god created the mind for us to know him to follow his path, to be his successive authority on the earth, by this smart minds we can reach the truth, i'll tell you how
for example muslims used to claim that the quran is the miracle of miracles, a book written since 1432 years not changed till now, you can't find 2 copies from it (i mean arabic quran not it's translations) his author challenged the world since 1400 years to get a book like it or even a chapter but till now we couldn't have, many other things Muslims used to claim about Quran, i'm usually said every book is comptent enough to defend amd talk about itself, so you can find the quran and see what muslims claim is right or wrong, is it really deserved to be the word of god or not? also you can do the same with gospel and torah, using your mind to judge those books and others fairly
the problem which most of people face during the looking for the truth is the desires, our desires usually misguide us, for example people who likes the wine, even if you prove to them that it's harmful and because of that the god of islam, judaism prohibited it, they will not accept the religion even if it made sense with them because of the desires, they don't want to give up that, i don't say that all people like that but many of them, and the other mistake i noticed that people judge the message from it's chaff not it's cor, they focus into the branches and chaff of the religion and don't want to look at the core, although that the right that the chaff of any religion is depndent on the core, for example Jews don't eat cheeseburger because it's not allowed for them to eat milk with meat, for the first while it's illogical, but if you talk to a jew he will tell you, that i'm not eating because it's sensible to me, because i'd like to not oppose the god's word, he first satisifed that torah is the last word of god and gospel and quran both are mistaken and then he applies the message on himself, do you get that both points?
It is not that I disagree, but that you may mean something different to what I as a Hindu would mean when saying this. For example, the Vedic scriptures inform us on how to know truth, actually know, not just have faith, and gives us methods to come to know God and Self fully
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i think we have the same way to know the truth