Who said "I've made so many mistakes, but I'm still here."?

This quote is attributed to Barney Gumble.

I've made so many mistakes, but I'm still here. - Barney Gumble

"I've made so many mistakes, but I'm still here."

Barney Gumble Perseverance

"Woo-hoo!"

"To alcohol! The cause of, and solution to, all of life's problems."

"I'm gonna go back to the lab and study some... stuff."

"Barney's my name, drinking's my game."

"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."