Several examples are collected in my paper http://library.queensu.ca/ojs/index.php/IEE/article/view/5310, but always looking for more, so I'm very glad Laura has started this.
Here's one that didn't make it into my paper: the last sentence of the Abstract to Wilson and Calvin's important 1955 paper on what we now call the Calvin cycle (J Am Chem Soc 77:5948):
“Perhaps the most important result of this work is the insight it gives into the complicated, finely balanced system of interrelated chemical reactions we call life.”











