Herman Melville Quotes
You know nothing till you know all; which is the reason we never know any thing.
Melville, Herman. Mardi: and a Voyage Thither. Harper & Brothers, 1849, vol. 2, p. 119.
Although most listeners had to spend some time parsing this famous quote, it actually was not a new notion. See Copernicus in linked quotes.
This statement as with others like it offended the religious authorities of the time as they claimed that they—-The Bible---knew everything important just as fundamentalist Muslims claim today about the Koran. So statements of this kind were considered heresy by some and still are.
Secretary of Defense Donald Rumsfeld over a century later paraphrased this notion in discussing the problem with information from the intelligence agencies.
Herman Melville was an American novelist, short story writer, and poet of the American Renaissance period. Among his best-known works are Moby-Dick (1851), Typee (1846), a romanticized account of his experiences in Polynesia, and Billy Budd, Sailor, a posthumously published novella. Although his reputation was not high at the time of his death, the centennial of his birth in 1919 was the starting point of a Melville revival and Moby-Dick grew to be considered one of the great American novels.