Who said "Nature has taught me patience."?

This quote is attributed to Arrow.

Nature has taught me patience. - Arrow

"Nature has taught me patience."

Arrow Nature

"My name is Oliver Queen. After five years in hell, I have come home with only one goal: to save my city."

"I'm not the man I was."

"You have failed this city."

"I'm a monster."

"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."