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 PaineCivilization, or that which is so called, has operated two ways to make one part of society more affluent and the other part more wretched than would have been the lot of either in a natural state.
Thomas Paine