Except always wearing sunscreen is not timeless and universal. Lots of studies suggest we shouldn't be wearing any in many parts of the world.

Wearing sunscreen is likely the least important part of the speech.

http://www.youtube.com/watch?v=sTJ7AzBIJoI

ahem Mary Schmich's "Sunscreen".

cough "Advice, like youth, probably just wasted on the young" [1] cough

[1] http://www.chicagotribune.com/news/columnists/chi-schmich-su...

"Wear Sunscreen" is listed in the "Parodies" section of the linked wikipedia page -- seemed like a stretch to call that a parody...