Disbelief
Disbelief , noun
The act of disbelieving;; a state of the mind in which one is fully persuaded that an opinion, assertion, or doctrine is not true; refusal of assent, credit, or credence; denial of belief.
Our belief or disbelief of a thing does not alter the nature of the thing.
No sadder proof can be given by a man of his own littleness that disbelief in great men.