Optical Phenomena

Famous quotes containing the words optical and/or phenomena:

“There is an optical illusion about every person we meet.”
—Ralph Waldo Emerson (1803–1882)

“War seems to be one of the most salutary phenomena for the culture of human nature; and it is not without regret that I see it disappearing more and more from the scene.”
—Karl Wilhelm Von Humboldt (1767–1835)