You can see my thoughts & frameworks here. These expositions are attempts to lucidly convey what it is I mean.
To my future self, who will look back on these pieces with many additions, deletions, and corrections -- despite all the help form others, all the errors here still belong solely to us.
Lastly, below is a link to a running slideshow of quotes I'm fond of. Makes a good desktop background.
If you're wondering, my favorite is the first: "Here lies Similis who existed for so and so many years, and lived seven." It was written in Cassius Dio's histories and was Similis' supposed epitaph.