Our country has deliberately undertaken a great social and economic experiment, noble in motive and far-reaching in purpose.
Source, in full
On Prohibition; sometimes misquoted as referring to Prohibition as "a noble experiment"; reported as such in Paul F. Boller, Jr., and John George, They Never Said It: A Book of Fake Quotes, Misquotes, & Misleading Attributions (1989), p. 47-48.