They'll never be able to settle the matter on objective evidence.
What objective evidence does he have to support his assertions?
The only objective evidence I could point to, was the bank robbery.
But there has been almost no objective evidence on whether it works.
But the objective evidence is here on his side.
I still have no objective evidence that the machines are real.
This question can best be resolved by objective statistical evidence.
"And if I have no objective evidence, just my intuition?"
What was the objective evidence that Norman had gone to the sphere?
There is no clear, objective and convincing evidence in this case.