Here's a dime. Call up both of them! [Mellon's response when Herbert Hoover asked for a nickel to call up a friend.]
Source: In Presidential Anecdotes, by Paul F. Boller, Jr., pg. 253, 1981.
-- Andrew Mellon, (Mar 24 1855-1937), US financier, philanthropist; He was Secretary of Treasury, 1921-32; ambassador to Great Britain, 1932-33; endowed Washington's National Art Gallery.