“To him… who had examined the laws of light merely in a drop of water, the brilliant phenomenon of the rainbow would be totally unintelligible.”
Introductory
A Treatise on Man and the Development of His Faculties (1842)
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Adolphe Quetelet 52
Belgian astronomer, mathematician, statistician and sociolo… 1796–1874Related quotes

“The soul would have no rainbow
Had the eyes no tears.”
The Century Vol. 44, Issue 4 (August 1892)
Tears (1892)
Context: Not in the time of pleasure
Hope doth set her bow;
But in the sky of sorrow,
Over the vale of woe. Through gloom and shadow look we
On beyond the years!
The soul would have no rainbow
Had the eyes no tears.

1960s, Review of Teilhard de Chardin's "The Phenomenon of Man", 1961

pg 27.
Conquest of Abundance (2001 [posthumous])

“Rainbow drops - suck them and you can spit in six different colours.”
Source: Charlie and the Chocolate Factory

“Technically, one drop of water would cover the planet, if you spread it really thin.”
Creation seminars (2003-2005), The Hovind theory

You Can Lead an Atheist to Evidence, But You Can't Make Him Think (2009)

“Judge — A law student who marks his own examination-papers.”
1940s–present, A Mencken Chrestomathy (1949)