Famous quotes containing the words optical and/or printing:
“There is an optical illusion about every person we meet.”
—Ralph Waldo Emerson (1803–1882)
“It seems not more reasonable to leave the right of printing unrestrained, because writers may be afterwards censured, than it would be to sleep with doors unbolted, because by our laws we can hang a thief.”
—Samuel Johnson (1709–1784)