Aaron Cote over at Kotaku has a great, short article about the architecture of the Forerunner civilization, what it embodies, and how it reflects who the forerunners really were. Here's a short snippet, but I encourage everyone to go give it a read-
The Library is speaking to something more than its creators, or what is contained within. It’s trying to exemplify what the knowledge stands for. Something more than just physical beings, or the reputation of whoever built it. The Forerunners see themselves as an ideal, as an example to be followed, and the Library exemplifies their selflessness by removing any trace of their physical selves from history: the source of all the wisdom that has saturated the soil.
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