Why don't scientists trust atoms?

Because they make up everything!

I asked the librarian if she had any books on paranoia.

She whispered, "They're right behind you!"

What did one wall say to the other wall?

"I'll meet you at the corner!

Why don't eggs tell jokes?

Because they might crack up!

How do you catch a squirrel?

Climb a tree and act like a nut!

Why don't scientists trust stairs?

Because they're always up to something!