My favourite work tool is a notebook and a pen.  (Lately it’s a DeSerres notebook, which is kind of like the Moleskines but a more convenient format, and a Uni-Ball JetStream pen, which is like a gel but without the smudging.)  Lately I’ve taken to slapping photos on them, partly so I can tell my various black notebooks apart, and partly because I think it’s cool.  My last inspirational image was “Epic Failure,” which is a personal entrepreneurial goal.  This latest one inspired me from the 100 Photographs that Changed the World:

Impossible: So Much Cooler Than What the Other Kids Are Doing