This is another essay that's being translated into arabic for the Shabakeh magazine (it's for arab atheists).
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"There is no truth."
This is an interesting philosophy that lots of people have. People that believe this aren’t consistent about it though. They’ll say things like “Parents should teach their kids to love one another,” which is an assertion about what things are good or true. They're acting as if there is truth, while other times asserting that there is no truth. And they choose which times are which arbitrarily. Basically they choose by whatever is most convenient for them at the time. No reasoning needed. Just blind assertions is ok.
Why do people buy in to this kind of philosophy? I think they do it because they want to ignore criticism and this philosophy helps them with that goal. Effectively, their philosophy helps them think sorta like this:
"You can't say I'm wrong or tell me what to do because there is no truth. Everything you say is just your opinion."
I can understand why people want this. Imagine an authoritative parent who forces his opinions on his child. The child disagrees with his parent, and he doesn't want to be forced to do things against his will. So the parent’s philosophy basically says:
"There is one truth and I know what it is, and you should follow it even if you're not convinced that it's the truth. Your agreement is not necessary. Just trust me and blindly obey me. And if you don't obey me, I'll hurt you, with punishment, as a means to providing you with incentive to obey me. And if my initial attempts at punishing you aren't effective at hurting you, then I'll get creative and figure out exactly what *would* hurt you!!"
So some children in this sort of situation decide to defend themselves from their parents' irrational treatment by effectively saying:
"There is no truth. So you can't force me to follow what you say."
But this is mistake. They confuse assertions of truth with good reason to use force against someone. Just because I believe something is good to do, that doesn't mean that it's morally right for me to force other people to do that thing. Basically the only time force is the right thing to do is when it's in self-defense against an aggressor.
So instead of denying that truth exists, you can say:
"I agree with you that there is one truth, but I disagree with you about what that truth is. So, no I will not follow your ideas which I believe are false. I will not trust you because trust is wrong. I will live by my code and I'll update my code if I have reason to believe that I should change it. And to help myself find and fix the flaws that I have, I will seek out critical discussion in search of the truth."
This approach is better than the anti-truth philosophy because it doesn't ignore criticism. Ignoring criticism effectively means closing off avenues to finding the truth. It means preventing mistakes from being found and fixed. It means stagnation.
The point is that criticism is the only defense against stagnation, so this philosophy treats criticism for what it is, A GIFT!!!
For more on these ideas and others, and to contribute your ideas, join my Rational Atheism group:
https://www.facebook.com/groups/popperianatheism/