I'm a fan of the Welcome to Nightvale podcasts; I'm not alone in my appreciation since Welcome to Nightvale is currently #1 in the "Top Podcasts" list in the iTunes store.
The signs pictured below are hanging in the hallways and stairwells at Gryph's high school.
Given the wording of the signs ("bad things will happen...sooner or later", "considerably less likely that bad things will happen"), and the extremely self-evident content, they reminded me very much of the public service announcements on Welcome to Nightvale.
In fact, the internal voice I heard inside my head, as I read these gems of profundity, was clearly Cecil's.
First, a poster series about "choices":
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And, then, this sage and useful advice:
