“One bachelor is an irritation. Ten thousand bachelors are a war.”
Source: Ender in Exile
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Orson Scott Card 586
American science fiction novelist 1951Related quotes

“All reformers are bachelors.”
Act I http://books.google.com/books?id=HWs-AAAAYAAJ&q=%22All+reformers+are+bachelors%22&pg=PA14#v=onepage
The Bending of the Bough (1900)

“There's only one secret to bachelor cooking — not caring how it tastes.”
The Bachelor Home Companion (1986)

“Summer bachelors like summer breezes, are never as cool as they pretend to be.”

“There is no book so bad," said the bachelor, "but something good may be found in it.”
Source: Don Quixote de la Mancha (1605–1615), Part II (1615), Book III, Ch. 3.

http://www.goodreads.com/author/quotes/975693.Helen_Rowland
Other

“Bachelors know more about women than married men. If they didn't, they'd be married, too.”
A Little Book in C major http://books.google.com/books?id=EAJbAAAAMAAJ&q=%22Bachelors+know+more+about+women+than+married+men+If+they+didn't+they'd+be+married+too%22&pg=PA61#v=onepage (1916) ; later published in A Mencken Crestomathy (1949)
1910s

And that's a good description of a party, if it's done right.
The Bachelor Home Companion (1986)