Who said "I think nature is the greatest teacher we have."?

This quote is attributed to Gracie Allen.

I think nature is the greatest teacher we have. - Gracie Allen

"I think nature is the greatest teacher we have."

Gracie Allen Nature

Comedian Actress American 1906–1964

"The secret to success is doing the opposite of what the unsuccessful people do."

"I don't care what anybody says about me as long as it isn't true."

"Never place a period where God has placed a comma."

"If you want to look thin, stand next to a fat friend."

"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."