your head before it gets the impressions gained from knowledge.
The unformed, featureless mind inside philosophy of John Locke.
A need or a chance to start from first.
the theory your brain has this world as a "blank slate".
Everything which is out there in a pristine condition.
a smoothed tablet; thus, figuratively, your brain in its very first state, before getting impressions from without; -- a phrase used by Hobbes, Locke, and others, in keeping a theory against the doctrine of natural ideas.
a mind perhaps not however affected by knowledge (relating to John Locke)