12Therefore, my dear friends, as you have always obeyed—not only in my presence, but now much more in my absence—continue to work out your salvation with fear and trembling,

Through the episodes, Barney talks about the chiastic nature of Philippians (that is, it follows the literary form known as a “chiasm”).

If you are interested to see the chiastic structure of the letter visually, we have produced a PDF which you can download here: https://bit.ly/2SBjFb8