Optical Illusions Quotes
Ralph Waldo Emerson, Ronald A. Bosco, Joel Myerson (2015). “Ralph Waldo Emerson”, p.229, Harvard University Press
Carl Sagan (2011). “Demon-Haunted World: Science as a Candle in the Dark”, p.43, Ballantine Books
Marcel Proust (2003). “The prisoner and the fugitive”, ePenguin
The straight line, a respectable optical illusion which ruins many a man.
Victor Hugo (2010). “The Works of Victor Hugo”, p.1969, BookCaps Study Guides