Another weekend bites the dust

I spent another Sunday on grading. Then swim practice. Laundry was aborted because of rain. In the hour or so of consciousness I have left, I shall write letters and tidy up my mental space in preparation for the week.
While grading, I took a break to photograph this lovely tree outside my apartment. Still playing with the different modes of my camera. Above, everything black-and-white except the tree; it is very dramatic. Below, I color-sampled other things and (in-camera) changed the leaves to those colors.

First, a red-covered magazine from the side of my bed:
Then, one of my green shirts reverses autumn:My purple bedspread makes a landscape reminiscent of Dr. Seuss:
This post's theme quote comes from "The Nerd Handbook" (via MetaFilter). I don't agree with everything in the essay, but this rings true:

[The nerd] sees the world as a system which, given enough time and effort, is completely knowable.