“The straight line, a respectable optical illusion which ruins many a man.”
Source: Les Misérables
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Victor Hugo 308
French poet, novelist, and dramatist 1802–1885Related quotes

“Our separation from each other is an optical illusion.”

“There is an optical illusion about every person we meet.”
Source: Essays and Lectures

“The straight line belongs to Man. The curved line belongs to God.”
The real author seems to be Pierre Albert-Birot https://books.google.com/books?id=3Ul51CwjUOcC&pg=PA290&dq=%22the+curved+line+that+belongs+let%27s+say+to+God+and+the+straight+line+that+belongs+to+man%22&hl=de&sa=X&redir_esc=y#v=onepage&q=%22the%20curved%20line%20that%20belongs%20let%27s%20say%20to%20God%20and%20the%20straight%20line%20that%20belongs%20to%20man%22&f=false.
Attributed

“Time is an optical illusion- never quite as soild or strong as we think it is”
Source: My Sister's Keeper

Mould Manifesto against Rationalism in Architecture (1958)

“The greatest optical illusion of all is to believe that an image has only one interpretation.”
Curiopticals (2009).

p, 125
On the Sizes and Distances of the Sun and the Moon (c. 250 BC)