That will involve unshakeable belief in himself and his abilities, despite incontrovertible evidence to the contrary and a genuine contempt for anyone who lacks such a belief.

But this dose is harder than most because it seemed as if we had before us incontrovertible evidence of a world of the most luxurious fantasy.

It's only in the last few years that pretty incontrovertible evidence for all this has come together.

Would this be the incontrovertible evidence needed to ban them both from entering Britain?

And does anyone have any incontrovertible evidence of those biscuits?