Darlene was amazing at pheglematically* analyzing/assessing situations and bringing her intelligence and wry sense of humor to bear on them. To me she exemplified the Jewish adage that by saving one person the world will saved. Darlene very much flew under the radar, quietly assisting people (and animals too) one by one.
* http://en.wikipedia.org/wiki/Four_temperaments
** http://www.askmoses.com/en/article/192,2230417/From-where-does-the-saying-Save-a-life-save-a-whole-world-originate.html