The mind, in discovering truths, acts in the same manner as it acts through the eye in discovering objects; when once any object has been seen, it is impossible to put the mind back to the same condition it was in before it saw it.
Thomas Paine (2015). “The Thomas Paine Collection: Common Sense, Rights of Man, Age of Reason, An Essay on Dream, Biblical Blasphemy, Examination Of The Prophecies”, p.100, Ravenio Books