Here's one for all the procrastinators out there - you know who you are! The ones who overthink everything, and then end up doing nothing because you're worried about possible consequences. You analyze everything to death, and you spend too long thinking about things instead of doing them. This girl has a message for you - switch your brain off. Give yourself permission to be stupid every now and then. Who knows? You might even enjoy it!
There are a few cases where this advice wouldn't apply, of course. We don't recommend using the philosophy while operating heavy machinery, or studying. There are definitely times when you'll want to stupid less, and think more. For all we know, though, it might say exactly that on the front of the shirt. She could just turn it around depending on which mood she wants to be in.