You can lead a horticulture, but you can't make her think.
Source: Speech to American Horticultural Society; when challenged to use horticulture in a sentence; in You Might as Well Live.
-- Dorothy Parker, (Aug 22 1893-1967), US author, poet, journalist, humorist; She was the celebrated caustic wit of the 1920s; wrote Enough Rope, 1926 and The Little Hours, 1944.