Syd Field 's teachings on screenwriting

Have been thinking a lot about my mentor, Jean Renoir, the great French Film Director lately. He always said that "Art is in the doing of it." Meaning that the relationship between thinking about doing something & doing it is the difference between night and day. Words I listen to! "Art is in the doing of it"

  The Screenwriter's Workbook (Revised Edition) by Random House Publishing Group