apparently this is super old (from 2006 according to mocoloco.com) but i just stumbled upon it and i think it's great. any inspiring words during this period are fine by me...
W+K PLUS 100,000 thumbtacks PLUS 351 hours = Fail Harder - a message that underlines the importance of failure during the creative process.
images courtesy of mocoloco
time lapse video of installation: