“How we apples swim!”
Brother Protestants; reported in Bartlett's Familiar Quotations, 10th ed. (1919)
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Jonathan Swift 141
Anglo-Irish satirist, essayist, and poet 1667–1745Related quotes
Source: Jeremy Fink and the Meaning of Life

“I'm right there, swimming the river of hardships but I know how to swim…”
Source: Desolation Angels
“He tried to drown his troubles but they knew how to swim.”

George Bernard Shaw never said these words, but Charles F. Brannan did. http://quoteinvestigator.com/2011/12/13/swap-ideas/
Misattributed

“Swimming upon water teaches men how birds do upon the air.”
The Notebooks of Leonardo Da Vinci (1938), XVII Flight

Mobilize 2010: Negroponte Sees Tablets as Creative Tool http://gigaom.com/2010/09/30/mobilize-2010-negroponte-sees-tablets-as-creative-tool in Gigaom (30 September 2010).