You live only once The logician would argue, You only live once should be rewritten as You live only once, with only next to the thing it qualifies, once. The logician would be unbearably pedantic, but there is a grain of good taste in the pedantry. Writing is often clearer and more elegant when a writer pushes an only or a not next to the thing that it quantifies. In 1962 John F. Kennedy declared, “We choose to go to the moon not because it is easy but because it is hard.” That sounds a lot classier than “We don’t choose to go to the moon because it is easy but because it is hard." Steven Pinker, The Sense of Style grammar
This small internal quaver Pay attention now: No matter how much you know or learn about syntax, grammar, or rhetoric, This small internal quaver, this inner disturbance, Is the most useful evidence you'll ever get. Someday, you'll be able to articulate what causes it. But for now, what's important is to notice it. Noticing is always the goal. ...the faint vertigo caused by an ambiguity you can't quite detect. What matter is what it points to. Find out what's causing it and fix it Even if you're not sure how. Verlyn Klinkenborg, Several Short Sentences About Writing Notes on the Synthesis of Form attention