A good method of discovery is to imagine certain members of a system removed and then see how what is left would behave: for example, where would we be if iron were absent from the world: this is an old example.
Georg C. LichtenbergWhat I do not like about our definitions of genius is that there is in them nothing of the day of judgment, nothing of resounding through eternity and nothing of the footsteps of the Almighty.
Georg C. LichtenbergThere exists a species of transcendental ventriloquism by means of which men can be made to believe that something said on earth comes from Heaven.
Georg C. Lichtenberg