"I pretty much use sketchbooks to note down great ideas of somebody else I've just had. A good sketchbook means you don't actually need to bother wit… - Banksy

"I pretty much use sketchbooks to note down great ideas of somebody else I've just had. A good sketchbook means you don't actually need to bother with having a memory yourself. You can get away with a fair bit of substance abuse if you always carry a notepad and a sharp pencil around with you." [from "Street Sketchbook" by Tristan Manco]