Pokemon Life Lesson: There will always be someone better than you; but there will always be someone worse - you can only do you.
Thanks very much to the wonderfully talented
for her help with the designs and other flashy details. Some of her other work:
There are more posters!Pokemon Life Lessons Series
Pokemon copyright Nintendo/Gamefreak/The Pokemon Company International, apparently.
Edit: This one doesn't use any copyright pixels so it ought to be okay to sell, though it's more of a poster than a shirt. [link]