It's kind of a tradition that you get a rookie, put him in the middle, wrap your arms and legs around him, then douse him with everything you can get a hold of - shaving cream, ketchup, mustard, everything. It's kind of like a pie in the face after a guy is successful.
In Judaism, there are 613 biblical commandments, and the Talmud says that the chief commandment of all is study.

