Some intriguing advice from Derek Sivers: Write one sentence per line

It helps you see first and last words.

First words punch. Last words linger. Seeing your sentences vertically helps you notice your beginnings and endings. Chop the weak beginnings, like “I think” and “Whether or not”. Start with powerful subjects and verbs.

He lists a bunch of other benefits too, including the ease of varying sentence length, judging each one on its own, and physically moving them around. And since Markdown will combine separate lines into a paragraph, it’s a breeze to do. I’m trying it now!