Just because my conscious mind doesn't remember doesn't mean my subconscious didn't dredge it up with the steak and onions we had for dinner.
There are conscious thoughts that you're aware of and subconscious ones that you're not.
Each individual has a subconscious memory of the green earth and murmuring waters, and blindness and deafness cannot rob him of this gift from past generations.
Modern psychology has strengthened the contention for a fixed connexion between motive and act by reference to subconscious and unconscious processes of which Edwards, who thought that nothing could affect the mind which was unperceived, little dreamed; at the same time, at least in some of its developments, especially in its freer use of genetic and organic conceptions, it has rendered much in the older forms of statement obsolete, and has given a new meaning to the idea of self-determination, which, as applied to an abstract power, Edwards rightly rejected as absurd.
True, the believer sought corroboration with full faith that he would find it; but the very fact that he could think such external corroboration valuable implied, however little he may have realized it, the subconscious concession that he must accept external evidence at its full value, even should it prove contradictory.
You may have seen a ghost and your conscious blocked it out while your subconscious remembered it.
He began explaining the wonders of the brain and its ability to conjure up subconscious fairy tales.