So I'm making this shirt tomorrow that has this image on it with the above caption reading "Panda eats, shoots and leaves".

However, MomJuggler asked a question and of course, it's in my head so I wanted to ask you guys. Should the bottom caption read "Grammar saves lives", "Proper grammar saves lives" or should I have no bottom caption at all? I'm asking io9 hivemind since you guys understand the strange mess that is my thinking.