The Big Bang Theory Or The Simpsons Quiz: During Which Series Did Stephen Hawking Say It?

The Simpsons Stephen Hawking
Fox

14. "Don't Feel Bad. Sometimes The Smartest Of Us Can Be The Most Childish."

The Big Bang Theory

The Simpsons
Contributor

Aimee Klapisch hasn't written a bio just yet, but if they had... it would appear here.