Of the great Zen Master Rinzai it was said that each night the last thing he did before he went to bed was let out a great big belly laugh that resounded through the corridors and was heard in every building of the monastery grounds. And the first thing he did when he woke at dawn was burst into peals of laughter so loud they woke up every monk no matter how deep his slumber. His disciples asked him repeatedly to tell them why he laughed but he wouldn’t. And when he died he carried the secret of his laughter with him to the grave. 🙂