If I had more time, I would have written a shorter letter

Mike Davidson single-handedly solves the problem of email, and does so in a way that callously breaks my long-standing signature quote (above). Damn, and I could so get on board with this, too. Five.sentenc.es. (The photo is from a school in Dorchester in which I was running workshops the other week. The walls are plastered with these 'motivational' posters, with this one pretty much the first you encounter as you walk in the door. They may have thought I was a bit strange when I pointed out that it's misattributed...)