When a man asks himself what is meant by action he proves that he isn't a man of action. Action is a lack of balance. In order to act you must be somewhat insane. A reasonably sensible man is satisfied with thinking.
Georges Clemenceau, Clemenceau, The Events of His Life as Told by Himself to His Former Secretary, Jean Martet (1930) as translated by Milton Waldman; Conversation with Jean Martet (1 January 1928), Chapter 12.