During Paul's Damascus experience, Luke records,
A very simple mistake. Did the men hear the voice that spoke to Paul, or not?
We can only draw one of three conclusions from this obvious contradiction. Either Acts is not an inspired text, Paul is lying, or both, Acts is not an inspired text and Paul is lying.
Note, for those of you using a different translation than the King James Version, you may notice that these two verses show no conflict with the voice. This is because the translators have corrected this 'issue' when translating it to English by not being faithful to the Greek text.
So did Paul, Luke, or both of them lie?
Value of this Evidence
This is fantastic evidence against Paul's case for apostleship. Since Paul bases his apostleship on his Damascus experience, if we find the experience to be faked or false, then Paul's basis is to be found faked or false. Any lie exposed in the Damascus experience helps to expose the true nature of Paul.