Writing can wreck your body. You sit there on the chair hour after hour and sweat your guts out to get a few words.
Norman MailerIndeed the early history of rocket design could be read as the simple desire to get the rocket to function long enough to give an opportunity to discover where the failure occurred. Most early debacles were so benighted that rocket engineers could have been forgiven for daubing the blood of a virgin goat on the orifice of the firing chamber.
Norman Mailer