Who said "There's a lot to learn about nature"?

This quote is attributed to Pumbaa.

There's a lot to learn about nature - Pumbaa

"There's a lot to learn about nature"

Pumbaa Nature

"Hakuna Matata - it means no worries for the rest of your days"

"It's our problem-free philosophy"

"Put your behind in your past"

"When I was a young warthog, when he was a young warthog"

"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."