Actually it is a tabula rasa, an empty slate, a blank paper.
These new problems can only be met and settled with a "tabula rasa."
In relation to knowledge of any kind, their mind was almost a tabula rasa.
His mind, owing to his lonely and isolated youth, is tabula rasa.
And that is the right spirit: to leave nothing but a tabula rasa for those that come after.
They've made my head into a tabula rasa for the various restorers.
The mind is a tabula rasa, upon which sense-impressions are inscribed.
But one might draw another inference from the tabula rasa theory.
In reality they made a tabula rasa of the existing organisation.
In a word, Lewis had made for Jackson a sort of tabula rasa record on the subject of the tariff.