Who said "Nature teaches us that all things must grow and change."?

This quote is attributed to Ricky Ricardo.

Nature teaches us that all things must grow and change. - Ricky Ricardo

"Nature teaches us that all things must grow and change."

Ricky Ricardo Nature

"Lucy, you got some 'splainin' to do!"

"I'm not angry, I'm just disappointed."

"Babalú!"

"This is going to be a great show!"

"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."