My friend, when a man has anything to tell in this world, the difficulty is not to make him tell it, but to prevent him from telling it too often.
Source: In Quotations of Wit and Wisdom, ed. & John W. Garder et al., 1975.
-- George Bernard Shaw, (Jul 26 1856-1950), Irish dramatist, critic; He is generally recognized as the best dramatist since Shakespeare; promoted social reform with drama of ideas.