You Shall Not...

Gandalf to a student he caught cheating:
YOU SHALL NOT PASS!

Gandalf to a lousy football player:
YOU SHALL NOT PASS!

Gandalf to a Monopoly player:
YOU SHALL NOT PASS...go.

Gandalf to someone staggering:
YOU SHALL NOT PASS...out.

Gandalf to someone with a grievous neck wound:
YOU SHALL NOT PASS...on.

Gandalf to someone eating a bean burrito:
YOU SHALL NOT PASS...gas.