November 21. Spent the day indoors. It’s the week before Thanksgiving, very little is happening at work. Did laundry. My only noteworthy physical activity: Took the stairs to the ninth floor. I can’t help but think of the young firefighter pictured rushing up the World Trade Center stairwell, maybe on the thirtieth or fortieth floor, while an endless line of other people go down in the opposite direction. Memorizing musical scales, can’t explain exactly what for, but hope it will help.