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.
"Clemenceau, The Events of His Life as Told by Himself to His Former Secretary, Jean Martet". Book translated by Milton Waldman. Chapter 12: "Conversation with Jean Martet", 1930.