Yoda needs to update his $PATH

Sometimes a line of code eludes you. It's as difficult as... well, as lifting a sunken X-Wing out of the swamps of Dagobah. And when you're in that predicament, remember Yoda's sage advice. Perhaps if you remember it in this particular format, it'll spur you on to bigger and better coding. Or... not. We can't promise it'll help, but it can't hurt, right? Everything's better with Yoda.

$DO || ! $DO ; try
try: command not found

(aka "Do or do not. There is no try.") printed in white on a 100% cotton black t-shirt.