Who said "Patience hard but Elmo getting better at it!"?

This quote is attributed to Elmo.

Patience hard but Elmo getting better at it! - Elmo

"Patience hard but Elmo getting better at it!"

Elmo Patience

"Elmo loves goldfish! Goldfish is Elmo's friend."

"Elmo thinks everybody can be smart if they try hard."

"Elmo is happy! Elmo loves being happy!"

"Elmo believes in you! You can do anything!"

"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."