''Why do I drink? I drink because it's liquid, if it was solid I would eat it.'' - Jânio Quadros
A expressão de certa forma se popularizou lá fora - há um bom número de ocorrências no Google. Veja um artigo do 'The New York Times'.
"Historically, Brazilians have reason to be concerned at any sign of heavy drinking by their presidents. Jânio Quadros, elected in 1960, was a notorious tippler who once boasted, ''I drink because it's liquid''; his unexpected resignation, after less than a year in office during what was reported to be a marathon binge, initiated a period of political instability that led to a coup in 1964 and 20 years of a harsh military dictatorship."