We are always acting on what has just finished happening. It happened at least 1/30th of a second ago. We think we're in the present, but we aren't. The present we know is only a movie of the past.
Source: In The Ultimate Success Quotations Library, 1997.
-- Thomas Wolfe, (Oct 3 1900-1938), US novelist; He is best known for his first novel, Look Homeward Angel, 1929.