Who said "Patience is what I've learned best"?

This quote is attributed to Maggie Simpson.

Patience is what I've learned best - Maggie Simpson

"Patience is what I've learned best"

Maggie Simpson Patience

"*pacifier sucking sound*"

"Goo goo ga ga"

"*giggles while crawling*"

"*reaches for the stars*"

"Patience is a virtue I'm still learning."

"I may be a redhead, but I'm not a hothead."

"Patience is a virtue."

"Patience is a virtue I never learned."