Who said "Nature is the greatest teacher of all."?

This quote is attributed to Glenn Quagmire.

Nature is the greatest teacher of all. - Glenn Quagmire

"Nature is the greatest teacher of all."

Glenn Quagmire Nature

"Giggity!"

"Allllright!"

"You gotta live life to the fullest, giggity goo!"

"Love is just giggity waiting to happen."

"Nature teaches us about beauty."

"Nature teaches us patience and wisdom"

"Sometimes it snows in April."

"Every town has a soul, and Twin Peaks has a troubled one."