Dobzhansky Template

In the book Narrative Is Everything, Randy Olson states that to make your message clearer you need to work it down to one thing. To help with this he suggests that you use what he calls the Dobzhansky Template (named after Theodosius Dobzhansky).

Nothing in __ makes sense, except in the light of __.

As an example, Dobzhansky himself wrote an essay called "Nothing in Biology Makes Sense Except in the Light Of Evolution".