I love to knit. That is not to say that I am a fast knitter or even that good at it. Mostly, I make things that turn out marginally, then I tear them up and start over on something else. But here’s the funny thing: It’s not the finished product that I find so enjoyable. It’s the process. It’s the gentle rhythm, the pulling of one loop of yarn through another, over and over again. Curiously, in all of knitting — and I’m talking about even the most complicated and breathtakingly beautiful works of knitted wear — there exists only two stitches: knit and purl. That’s it. No matter how fast I knit or how slow, how intricate the pattern or ordinary, one thing is sure: I can make only one stitch at a time. And one stitch makes absolutely no visual difference in whatever it is I’m working on …