Who said "Patience is learning when to wait and when to act."?

This quote is attributed to Arrow.

Patience is learning when to wait and when to act. - Arrow

"Patience is learning when to wait and when to act."

Arrow Patience

"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."

"Patience is a virtue I'm still learning."

"I may be a redhead, but I'm not a hothead."

"Patience is a virtue."

"Patience is a virtue I never learned."