I want to ask about the truth, universal truth. There is any standard about universal truth?I mean the truth which every one agree about it. what is the real truth? Why people have their own argument about their own truth? is it possible all of people agree about one truth?

Do you really believe that there is any truth that you are going to get 7,511,772,360 (the number on the rolling world census at the time of writing) people to agree to? That includes new born infants, who are people. So perhaps we should cut off your question at some later age, say 18. But how will this age be decided? I think probably people have their own views because they have their own ideas, and they have their own ideas because their experiences are different and they are very different people anyway. Still, most people, though by no means all, accept elementary mathematics and the elementary ethics of everyday life. There are standards of evidence and argument that apply to both, to ethics in practical settings and to mathematics in theoretical ones as well. It seems very improbable that short of the coming of the Kingdom of God everyone will agree on everything. But that doesn't mean that what they should agree on, because it is true, isn't true.

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