People lose their senses at the beach 'cause the sun beats down too hard. They say things that just don't gel, you know. Well, you've heard this a lot: "Pick up a shell - oh, you can hear the ocean!" You could pick up a bicycle and hear the ocean - you're at the beach. Put the shell down, you'll hear the ocean twice as loud.

Reported in Cader Books, That's Really Funny!: Over 1,000 More Great Jokes from Today's Hottest Comedians (2000), p. 164.