Who said "Keep trying. It won't work, but keep trying."?

This quote is attributed to Moe Szyslak.

Keep trying. It won't work, but keep trying. - Moe Szyslak

"Keep trying. It won't work, but keep trying."

Moe Szyslak Perseverance

"I'm not a smart man, but I know what love is."

"You want something, you gotta work for it. That's life."

"The key to happiness is lowering your expectations."

"Friends are the family you choose for yourself."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."