Who said "If you can't laugh at yourself, who can you laugh at?"?

This quote is attributed to Milhouse Van Houten.

If you can't laugh at yourself, who can you laugh at? - Milhouse Van Houten

"If you can't laugh at yourself, who can you laugh at?"

Milhouse Van Houten Humor

"I'm not a bad guy, I'm just a guy in a bad situation."

"Everything I do is wrong, but at least I try."

"Bart, you're my best friend, and that's all that matters."

"Life is like a box of disappointments, and I'm usually in it."

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."