The Church of Shakespeare

Rumor has it that when Einstein was at the Institute for Advanced Studies at Princeton, he would absent-mindedly wander through classrooms and write mathematical equations on chalkboards. Apparently, a graduate student had the job to follow him and record said equations.

The Church of Shakespeare is actually a coercive cult, in which members are methodically trained to wander through life, inscribing Shakespeare quotes on bulletin boards, as public graffiti, on abandoned warehouses, and across classroom chalkboards.