I saw this admonition on the way to work today, and had to snap a graph. The author, a self-proclaimed prophet and homeless for 22 years, was no where in sight. However, I wanted to share his warning. Click on the picture to read.

The view from my office window. You are looking west down Walnut Street, from Suite 420 of Jon M. Huntsman Hall, The Wharton School. The corner visible is 38th and Walnut Street. This is 25 blocks west of my apartment on Walnut.