don't drive and post, or you might hit a post...!
lol...if it is unknowable , then there is no objective truth with which to work
Therefor...if there is no objective truth, then .....(I'll let you complete the sentence with the logical conclusion, when you're not driving...)
Truth is singular. You can't know it as it is though. That truth is objective. You can't know it except from your perspective. "Your truth" is subjective no matter how much you think it is true. I think you are the one that sees truth as subjective.
...what does that even mean? lol.
So lying (from your truth as you perceive it), is morally wrong?
Lets not get off track...