born fool

The man who believes that he has more than a provisional hypothesis to go upon is a born fool.

She has been born and cradled in the lap of luxury, and I was a born fool to ask the question.'

"A faithful friend is the true image of the Deity," said Napoleon, who never believed he had a true friend not a born fool.

He says to himself, 'I have been deceived,' or 'I must be a born fool;' whereas he is wrong in both suppositions.

The others looked at him, unable to determine whether it was a good rider they were dealing with or a born fool.