Oliver Sacks' writer's mind compelled him to write all the time, on whatever was at hand, to pay attention and make notes wherever he was, whenever something stood out to him as worth recording. I love the picture of him with the car. The writing life.
(All of this by way of "Inside Oliver Sack's Creative Process" on Maria Popova's Brain Pickings.)

Photograph courtesy of Kate Edgar, also from On the Move.