Nine o'clock
exclaimed Herb . `` Wo n't that be the greatest thing that ever happened ? You ca n't start too early to suit me . '' `` Nine o'clock 's early enough , '' said Bob . `` Everybody come around here then and we 'll make things hum . There 's still plenty to do , but we ought to get it finished before that . '' The boys were so excited at the prospect of actually operating their set the following evening that they could hardly sit still two minutes at a time .