(sorry to break the continuity; they actually have a specific page on gelatinous cube mounts and how to ride them in the complete equipment guide)
1522: I am not, under any circumstances, to try a -20 sleight of hand check to steal the princesses clothes while she's wearing them.
1523: I am not to attack people on sight to gain EXP.
1524: After unleashing the ancient demonic menaces from the crypt, I am not to simply leave and assume someone else will take care of it.